-7*9-9y=63

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Solution for -7*9-9y=63 equation: 


Simplifying
-7 * 9 + -9y = 63

Multiply -7 * 9
-63 + -9y = 63

Solving
-63 + -9y = 63

Solving for variable 'y'.

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

Add '63' to each side of the equation.
-63 + 63 + -9y = 63 + 63

Combine like terms: -63 + 63 = 0
0 + -9y = 63 + 63
-9y = 63 + 63

Combine like terms: 63 + 63 = 126
-9y = 126

Divide each side by '-9'.
y = -14

Simplifying
y = -14

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