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tigry1 [53]
3 years ago
13

Can someone please show me the steps you would use to find the value for x in the equation:

Mathematics
2 answers:
timofeeve [1]3 years ago
7 0

Answer:

The answer is

7x-4=-4x+18

7x+4x=18+4

11x=22

x=?

Step-by-step explanation:

7x-4=-4x+18

7x+4x=18+4

11x=22

x=2

zlopas [31]3 years ago
3 0

Answer: x=2

Step-by-step explanation:

So first write out the expression

7x-4= -4x+18

We usually want to start off by moving variables to one side and numbers (intergers) to the other

We can accomplish this usually with just addition and subtraction before we move on to simplifying

So

Add 4 to both sides

7x-4=-4x+18

   +4        +4

7x=-4x+22

now the x

lets add 4x to cancel out our -4x

7x= -4x+22

+4x   +4x

11x=22

now we have 11x=22 we can solve this by dividing so 11 divided by what number gives you one

So any number divided by itself is one so in this case divide both sides by the coefficient of x which is 11

11x=22

/11    /11

x=2

Hope that helps.

Summary. Move numbers around by cancelling using addition and subtraction. Once the variable is on one side and number is on the other divided by whatever number is next to x to solve for it. REMEMBER whatever you do to one side of an equation you must do to the other side.

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Step-by-step explanation:

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3 years ago
PLEASE I NEED HELP ASAP
Annette [7]

The coordinates of the vertex that A maps to after Daniel's reflections are (3, 4) and the coordinates of the vertex that A maps to after Zachary's reflections are (3, 2)

<h3>How to determine the coordinates of the vertex that A maps to after the two reflections?</h3>

From the given figure, the coordinate of the vertex A is represented as:

A = (-5, 2)

<u>The coordinates of the vertex that A maps to after Daniel's reflections</u>

The rule of reflection across the line x = -1 is

(x, y) ⇒ (-x - 2, y)

So, we have:

A' = (5 - 2, 2)

Evaluate the difference

A' = (3, 2)

The rule of reflection across the line y = 2 is

(x, y) ⇒ (x, -y + 4)

So, we have:

A'' = (3, -2 + 4)

Evaluate the difference

A'' = (3, 4)

Hence, the coordinates of the vertex that A maps to after Daniel's reflections are (3, 4)

<u>The coordinates of the vertex that A maps to after Zachary's reflections</u>

The rule of reflection across the line y = 2 is

(x, y) ⇒ (x, -y + 4)

So, we have:

A' = (-5, -2 + 4)

Evaluate the difference

A' = (-5, 2)

The rule of reflection across the line x = -1 is

(x, y) ⇒ (-x - 2, y)

So, we have:

A'' = (5 - 2, 2)

Evaluate the difference

A'' = (3, 2)

Hence, the coordinates of the vertex that A maps to after Zachary's reflections are (3, 2)

Read more about reflection at:

brainly.com/question/4289712

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2 years ago
Evaluate the expression 5t + 2m for m = 7 and t = 2.<br><br><br> 39<br><br> 49<br><br> 24<br><br> 79
ivanzaharov [21]
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4 years ago
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What do you call a female bug that floats math worksheet answer key?
Elena L [17]

Answer to this problem will depend upon the set of questions given with the worksheet or page having question "What do you call a female bug that floats math worksheet answer key?".

You haven't provided the set of questions but i can explain about how to get the answer of the name of bug in that sheet.


Look at the sample picture of similar problem that is attached with the answer. You have to solve the given set of problem and fill the correct matching answer in the blank box.

Say answer of first problem is choice named "T" then fill the letter "T" in the blank box numberd "1".

Same way solve other problem and fill correct name of the letter in each blank boxes.

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Mario fille a hummingbird feeder with 3/4 cup of sugar water on Friday .Monday , Mario sees that 1/8 of sugar water is left .how
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\frac{5}{8} of total sugar was drink by humming bird

<h3><u>Solution:</u></h3>

Given that,

When the Mario kept the humming feeder on Friday it had \frac{3}{4} cup of sugar water

When he sees on Monday, it had only \frac{1}{8} of sugar water

So, this means the water is consumed by the humming bird will be the difference of the two values:-

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