-10y-12=78

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Solution for -10y-12=78 equation: 


Simplifying
-10y + -12 = 78

Reorder the terms:
-12 + -10y = 78

Solving
-12 + -10y = 78

Solving for variable 'y'.

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

Add '12' to each side of the equation.
-12 + 12 + -10y = 78 + 12

Combine like terms: -12 + 12 = 0
0 + -10y = 78 + 12
-10y = 78 + 12

Combine like terms: 78 + 12 = 90
-10y = 90

Divide each side by '-10'.
y = -9

Simplifying
y = -9

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