-3(-3y+1)-3y=15

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Solution for -3(-3y+1)-3y=15 equation:


Simplifying
-3(-3y + 1) + -3y = 15

Reorder the terms:
-3(1 + -3y) + -3y = 15
(1 * -3 + -3y * -3) + -3y = 15
(-3 + 9y) + -3y = 15

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

Solving
-3 + 6y = 15

Solving for variable 'y'.

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

Add '3' to each side of the equation.
-3 + 3 + 6y = 15 + 3

Combine like terms: -3 + 3 = 0
0 + 6y = 15 + 3
6y = 15 + 3

Combine like terms: 15 + 3 = 18
6y = 18

Divide each side by '6'.
y = 3

Simplifying
y = 3

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