9(-4)+9y=81

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Solution for 9(-4)+9y=81 equation: 


Simplifying
9(-4) + 9y = 81

Multiply 9 * -4
-36 + 9y = 81

Solving
-36 + 9y = 81

Solving for variable 'y'.

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

Add '36' to each side of the equation.
-36 + 36 + 9y = 81 + 36

Combine like terms: -36 + 36 = 0
0 + 9y = 81 + 36
9y = 81 + 36

Combine like terms: 81 + 36 = 117
9y = 117

Divide each side by '9'.
y = 13

Simplifying
y = 13

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