12y-27-3y=90

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Solution for 12y-27-3y=90 equation:


Simplifying
12y + -27 + -3y = 90

Reorder the terms:
-27 + 12y + -3y = 90

Combine like terms: 12y + -3y = 9y
-27 + 9y = 90

Solving
-27 + 9y = 90

Solving for variable 'y'.

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

Add '27' to each side of the equation.
-27 + 27 + 9y = 90 + 27

Combine like terms: -27 + 27 = 0
0 + 9y = 90 + 27
9y = 90 + 27

Combine like terms: 90 + 27 = 117
9y = 117

Divide each side by '9'.
y = 13

Simplifying
y = 13

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