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

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


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

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

Combine like terms: 3y + -7y = -4y
9 + -4y = -15

Solving
9 + -4y = -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 + -4y = -15 + -9

Combine like terms: 9 + -9 = 0
0 + -4y = -15 + -9
-4y = -15 + -9

Combine like terms: -15 + -9 = -24
-4y = -24

Divide each side by '-4'.
y = 6

Simplifying
y = 6

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