3(y+7)=-9y-39

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Solution for 3(y+7)=-9y-39 equation:


Simplifying
3(y + 7) = -9y + -39

Reorder the terms:
3(7 + y) = -9y + -39
(7 * 3 + y * 3) = -9y + -39
(21 + 3y) = -9y + -39

Reorder the terms:
21 + 3y = -39 + -9y

Solving
21 + 3y = -39 + -9y

Solving for variable 'y'.

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

Add '9y' to each side of the equation.
21 + 3y + 9y = -39 + -9y + 9y

Combine like terms: 3y + 9y = 12y
21 + 12y = -39 + -9y + 9y

Combine like terms: -9y + 9y = 0
21 + 12y = -39 + 0
21 + 12y = -39

Add '-21' to each side of the equation.
21 + -21 + 12y = -39 + -21

Combine like terms: 21 + -21 = 0
0 + 12y = -39 + -21
12y = -39 + -21

Combine like terms: -39 + -21 = -60
12y = -60

Divide each side by '12'.
y = -5

Simplifying
y = -5

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