-3(-3)+3y=15

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Solution for -3(-3)+3y=15 equation: 


Simplifying
-3(-3) + 3y = 15

Multiply -3 * -3
9 + 3y = 15

Solving
9 + 3y = 15

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 + 3y = 15 + -9

Combine like terms: 9 + -9 = 0
0 + 3y = 15 + -9
3y = 15 + -9

Combine like terms: 15 + -9 = 6
3y = 6

Divide each side by '3'.
y = 2

Simplifying
y = 2

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