-9y+3=-78

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Solution for -9y+3=-78 equation: 


Simplifying
-9y + 3 = -78

Reorder the terms:
3 + -9y = -78

Solving
3 + -9y = -78

Solving for variable 'y'.

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

Add '-3' to each side of the equation.
3 + -3 + -9y = -78 + -3

Combine like terms: 3 + -3 = 0
0 + -9y = -78 + -3
-9y = -78 + -3

Combine like terms: -78 + -3 = -81
-9y = -81

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

Simplifying
y = 9

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