3(3y+3)-7y=15

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Solution for 3(3y+3)-7y=15 equation:


Simplifying
3(3y + 3) + -7y = 15

Reorder the terms:
3(3 + 3y) + -7y = 15
(3 * 3 + 3y * 3) + -7y = 15
(9 + 9y) + -7y = 15

Combine like terms: 9y + -7y = 2y
9 + 2y = 15

Solving
9 + 2y = 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 + 2y = 15 + -9

Combine like terms: 9 + -9 = 0
0 + 2y = 15 + -9
2y = 15 + -9

Combine like terms: 15 + -9 = 6
2y = 6

Divide each side by '2'.
y = 3

Simplifying
y = 3

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