18+7y=9y-8

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Solution for 18+7y=9y-8 equation:


Simplifying
18 + 7y = 9y + -8

Reorder the terms:
18 + 7y = -8 + 9y

Solving
18 + 7y = -8 + 9y

Solving for variable 'y'.

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

Add '-9y' to each side of the equation.
18 + 7y + -9y = -8 + 9y + -9y

Combine like terms: 7y + -9y = -2y
18 + -2y = -8 + 9y + -9y

Combine like terms: 9y + -9y = 0
18 + -2y = -8 + 0
18 + -2y = -8

Add '-18' to each side of the equation.
18 + -18 + -2y = -8 + -18

Combine like terms: 18 + -18 = 0
0 + -2y = -8 + -18
-2y = -8 + -18

Combine like terms: -8 + -18 = -26
-2y = -26

Divide each side by '-2'.
y = 13

Simplifying
y = 13

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