Question

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Answer 1

-13y-5=8


Take 5 to the other side as a positive number


-13y=13


Divide both sides by -13


Therefore, y is equal to -1


But, the question isn't answered, we need to substitute the value of y into 4y+7, to fully answer the question



With our knowledge that y is equal to -1, the expression becomes



4*-1+7, which is 3


So, your answer is 3

Answer 2

Answer: 3

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Work Shown:

Solve the equation for y

-13y - 5 = 8

-13y = 8+5

-13y = 13

y = 13/(-13)

y = -1

Then use this y value to compute 4y+7

4y+7 = 4(-1)+7 = -4+7 = 3