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vlada-n [284]
3 years ago
14

4x + 1 = 7x - 5 Solver for x

Mathematics
2 answers:
andreyandreev [35.5K]3 years ago
7 0

Answer:

x=2

Step-by-step explanation:

4x + 1 = 7x - 5

subtract 4x from each side

4x-4x + 1 = 7x-4x - 5

1 = 3x-5

Add 5 to each side

1+5 = 3x-5+5

6 =3x

Divide by 3

6/3 =3x/3

2 =x

Luba_88 [7]3 years ago
3 0

Answer:

The answer would be x=2.

Step-by-step explanation:

Step 1: (Multiply)

4 x 2 = 8.

Step 2: (Add)

8 + 1 = 9.

Step 3: (Multiply 2nd problem)

7 x 2 = 14.

Step 4: (Subtract)

14 - 5 = 9.

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For each value of y, determine whether it is a solution to -2y+75-5.<br> Is it a solution?
ser-zykov [4K]

Answer:

• No

• Yes

• Yes

• No

Step-by-step explanation:

To determine if the 4 given values of y are solutions to the inequality, start by solving the inequality. Solving an inequality is just like that of an equation, except that the direction of the sign changes when the inequality is divided by a negative number.

-2y +7≤ -5

Subtract 7 on both sides:

-2y≤ -5 -7

-2y≤ -12

Divide by -2 on both sides:

y≥ 6

This means that the solution can be 6 or greater than 6.

-10 and 3 are smaller than 6 and are not a solutions, while 7 and 6 satisfies the inequality and are therefore solutions.

_______

Alternatively, we can also substitute each value of y into the inequality and check if the value is less than or equal to -5.

Here's an example to check if -10 is a solution.

-2y +7≤ -5

When y= -10,

-2y +7

= -2(-10) +7

= 20 +7

= 27

Since 27 is greater than 5, it is <u>not</u> a solution to the inequality.

3 0
2 years ago
Find the function value, if possible. (If an answer is undefined, enter UNDEFINED.)
ddd [48]

Answer:

f(x + 2) = 3x + 2

Step-by-step explanation:

Simply replace wherever you find x in the function f(x) with (x + 2), like so:

f(x + 2) = 3(x + 2) - 4

f(x + 2) = 3x + 6 - 4

f(x + 2) = 3x + 2

7 0
3 years ago
If you convert 2 kilometers to meters, will the converted amount have more or fewer units than the original?
Alja [10]

Answer: more units, because you’re converting it to smaller parts which means there are more parts

King (kilo)

Henry (hecto)

Died (deca)

Unusually (unit)

Drinking (deci)

Chocolate(centi)

Milk (milli)

6 0
2 years ago
Read 2 more answers
tia went home and said to her mom, I learned that 10/4 is the same as 40,000' she has made a mistake in her thinking. use wirds,
Galina-37 [17]
The answer would be 250%
6 0
3 years ago
Triangle PQR has vertices , , and . It is translated according to the rule . What is the y-value of ?
steposvetlana [31]

Answer:

-10 is the correct answer to the given question .

Step-by-step explanation:

Missing information:

Following question is incomplete there is no information about the vertices and the rules .Following are the complete question that is mention below

Triangle PQR has vertices P(-2, 6), \ Q(-8, 4), and\  R(1, -2). It is translated according to the rule    (x, y)\ -> \  (x\  - \ 2, y\  - 16). What is the y-value of P'?

Now coming to the solution as already mention in the question

The translated rule is (x, y)\  -> (x - 2, \ y -16).

Now calculated the vertices P value according to the rule of translated

P(-2, 6)\\Now \  apply \ the\ translated\ rule \ in\  P\ vertices\\P(-2, 6)->P1(-2-2,\ 6-16)\\P1->(-4,-10)

So -10 is the value of y in P vertices .

6 0
3 years ago
Read 2 more answers
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