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fgiga [73]
3 years ago
9

Solve 2x+ 3=7 please ​

Mathematics
1 answer:
blondinia [14]3 years ago
7 0

2x+3=7

2x+3-3=7-3

Whenever moving a number to the other side you have to change the sign .

2x= 4

x=2

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Write 0.2 as a fraction in simplest form.
vredina [299]

Answer:

1/5

Step-by-step explanation:

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The quotient of a number X and 2 is 20
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X÷2=20. Want an explanation?
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PLEASSSSSEEE HELP A GIRL OUT PLZZ​
eduard

Answer:

B. The two lines are neither parallel nor perpendicular.

Step-by-step explanation:

First, put both lines into the same format. In this example, we're going to use y=mx+b format.

x - 4y = -9

-4y = -x + -9

y = (-x + -9) / -4

y = (x+9)/-4

y = (-1/4)x + (-9/4)

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If two lines are parallel, they have the same slope. (ie 4 and 4)

If two lines are perpendicular, one line's slope is the negative reciprocal of the other. (ie 4 and -1/4)

Neither is true here.

6 0
2 years ago
!SUBSTITUTION METHOD!<br><br>6y - 5z = -8 <br>3z = -6 <br>4x - 3y - 2z= 21​
hichkok12 [17]

Answer:

<h2>x = 2 </h2><h2>y = - 3</h2><h2>z = - 2</h2>

Step-by-step explanation:

6y - 5z = -8 .......... Equation 1

3z = -6 ................... Equation 2

4x - 3y - 2z= 21...... Equation 3

<u>First solve for z in Equation 2</u>

That's

3z = - 6

Divide both sides by 3

<h3>z = - 2</h3>

Next substitute the value of z into Equation 1 in order to find y

We have

6y - 5(-2) = - 8

6y + 10 = - 8

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Divide both sides by 6

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Finally substitute the values of y and z into Equation 3 to find the value of x

That's

4x - 3(-3) - 2(-2) = 21

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4x = 21 - 13

4x = 8

Divide both sides by 4

<h3>x = 2</h3>

So the solutions are

<h3>x = 2 </h3><h3>y = - 3</h3><h3>z = - 2</h3>

Hope this helps you

3 0
3 years ago
A business has an opportunity to invest $35,000. If the investment is a success, the business earns a profit of $150,000. Otherw
alukav5142 [94]

Answer:

The answer is A

Step-by-step explanation:

this answer is helpful to my peers, because i literally just gave them what they were looking for.

8 0
3 years ago
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