9y-8=7y-16

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Solution for 9y-8=7y-16 equation:


Simplifying
9y + -8 = 7y + -16

Reorder the terms:
-8 + 9y = 7y + -16

Reorder the terms:
-8 + 9y = -16 + 7y

Solving
-8 + 9y = -16 + 7y

Solving for variable 'y'.

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

Add '-7y' to each side of the equation.
-8 + 9y + -7y = -16 + 7y + -7y

Combine like terms: 9y + -7y = 2y
-8 + 2y = -16 + 7y + -7y

Combine like terms: 7y + -7y = 0
-8 + 2y = -16 + 0
-8 + 2y = -16

Add '8' to each side of the equation.
-8 + 8 + 2y = -16 + 8

Combine like terms: -8 + 8 = 0
0 + 2y = -16 + 8
2y = -16 + 8

Combine like terms: -16 + 8 = -8
2y = -8

Divide each side by '2'.
y = -4

Simplifying
y = -4

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