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1 year ago

-7x+3=2x+2−9x i need help i don't know what to do p

Mathematics

1 answer:

kobusy [5.1K]1 year ago

4 0

Answer:

X= - 1 /14

Step-by-step explanation:

combine like terms

7x+=2x + 2 - 9x

7x + 3 = -7x + 2

Subtract 3 from both sides

7x + 3 = - 7x + 2

7 x + 3 - 3 = - 7x + 2 - 3

Simplify

7x + 3- 3 = - 7x + 2 - 3

7x = - 7x + 2- 3

7x = - 7x - 1

Add 7x to both sides

7x = - 7x - 1

7x + 7x = - 7x - 1 + 7x

Simplify

14x = - 7x - 1 + 7x

14x = - 1

Divide both sides by the same factor

14x = - 1

___ ____

14 14

Simplify

Cancel terms that are in both the numerator and denominator

14x = - 1

___ ___

14 14

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Answer:

<h3>The ratio of technicians to all helpers is 11 : 7, or $\frac{11}{7}$ or 11 to 7.</h3>

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Given that there are 7 ushers and 11 technicians helping at the Harper Middle School fall play.
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Let y be the number of technicians.
Therefore y=11 technicians.

<h3>To find the ratio of technicians to all helpers :</h3>

That is to find the ratio of y to x.

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2 years ago

-7x+3=2x+2−9x i need help i don't know what to do p​

-7x+3=2x+2−9x i need help i don't know what to do p