9y+3=7y-8

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Solution for 9y+3=7y-8 equation:


Simplifying
9y + 3 = 7y + -8

Reorder the terms:
3 + 9y = 7y + -8

Reorder the terms:
3 + 9y = -8 + 7y

Solving
3 + 9y = -8 + 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.
3 + 9y + -7y = -8 + 7y + -7y

Combine like terms: 9y + -7y = 2y
3 + 2y = -8 + 7y + -7y

Combine like terms: 7y + -7y = 0
3 + 2y = -8 + 0
3 + 2y = -8

Add '-3' to each side of the equation.
3 + -3 + 2y = -8 + -3

Combine like terms: 3 + -3 = 0
0 + 2y = -8 + -3
2y = -8 + -3

Combine like terms: -8 + -3 = -11
2y = -11

Divide each side by '2'.
y = -5.5

Simplifying
y = -5.5

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