12y-(9y)=144

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Solution for 12y-(9y)=144 equation: 


Simplifying
12y + -1(9y) = 144

Remove parenthesis around (9y)
12y + -1 * 9y = 144

Multiply -1 * 9
12y + -9y = 144

Combine like terms: 12y + -9y = 3y
3y = 144

Solving
3y = 144

Solving for variable 'y'.

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

Divide each side by '3'.
y = 48

Simplifying
y = 48

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