9y+15-8y+12=36-15-12

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Solution for 9y+15-8y+12=36-15-12 equation: 


Simplifying
9y + 15 + -8y + 12 = 36 + -15 + -12

Reorder the terms:
15 + 12 + 9y + -8y = 36 + -15 + -12

Combine like terms: 15 + 12 = 27
27 + 9y + -8y = 36 + -15 + -12

Combine like terms: 9y + -8y = 1y
27 + 1y = 36 + -15 + -12

Combine like terms: 36 + -15 = 21
27 + 1y = 21 + -12

Combine like terms: 21 + -12 = 9
27 + 1y = 9

Solving
27 + 1y = 9

Solving for variable 'y'.

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

Add '-27' to each side of the equation.
27 + -27 + 1y = 9 + -27

Combine like terms: 27 + -27 = 0
0 + 1y = 9 + -27
1y = 9 + -27

Combine like terms: 9 + -27 = -18
1y = -18

Divide each side by '1'.
y = -18

Simplifying
y = -18

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