-9y-7=13-2y

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Solution for -9y-7=13-2y equation:


Simplifying
-9y + -7 = 13 + -2y

Reorder the terms:
-7 + -9y = 13 + -2y

Solving
-7 + -9y = 13 + -2y

Solving for variable 'y'.

Move all terms containing y to the left, all other terms to the right.

Add '2y' to each side of the equation.
-7 + -9y + 2y = 13 + -2y + 2y

Combine like terms: -9y + 2y = -7y
-7 + -7y = 13 + -2y + 2y

Combine like terms: -2y + 2y = 0
-7 + -7y = 13 + 0
-7 + -7y = 13

Add '7' to each side of the equation.
-7 + 7 + -7y = 13 + 7

Combine like terms: -7 + 7 = 0
0 + -7y = 13 + 7
-7y = 13 + 7

Combine like terms: 13 + 7 = 20
-7y = 20

Divide each side by '-7'.
y = -2.857142857

Simplifying
y = -2.857142857

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