21-08-2018
Mathematics

contestada

Find the value of Y when X equals 1. 9x + 7y = -12

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Supernova Supernova

21-08-2018

9x + 7y = -12

Plug 1 for x into the equation and solve for y.

9(1) + 7y = -12

Multiply 9 and 1 together.

9 + 7y = -12

Subtract 9 from both sides.

7y = -21

Divide both sides by 7.

y = -3

is your answer.

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