9(y+1)=90

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Solution for 9(y+1)=90 equation: 


Simplifying
9(y + 1) = 90

Reorder the terms:
9(1 + y) = 90
(1 * 9 + y * 9) = 90
(9 + 9y) = 90

Solving
9 + 9y = 90

Solving for variable 'y'.

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

Add '-9' to each side of the equation.
9 + -9 + 9y = 90 + -9

Combine like terms: 9 + -9 = 0
0 + 9y = 90 + -9
9y = 90 + -9

Combine like terms: 90 + -9 = 81
9y = 81

Divide each side by '9'.
y = 9

Simplifying
y = 9

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