-9y+117=3(y+7)

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Solution for -9y+117=3(y+7) equation:


Simplifying
-9y + 117 = 3(y + 7)

Reorder the terms:
117 + -9y = 3(y + 7)

Reorder the terms:
117 + -9y = 3(7 + y)
117 + -9y = (7 * 3 + y * 3)
117 + -9y = (21 + 3y)

Solving
117 + -9y = 21 + 3y

Solving for variable 'y'.

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

Add '-3y' to each side of the equation.
117 + -9y + -3y = 21 + 3y + -3y

Combine like terms: -9y + -3y = -12y
117 + -12y = 21 + 3y + -3y

Combine like terms: 3y + -3y = 0
117 + -12y = 21 + 0
117 + -12y = 21

Add '-117' to each side of the equation.
117 + -117 + -12y = 21 + -117

Combine like terms: 117 + -117 = 0
0 + -12y = 21 + -117
-12y = 21 + -117

Combine like terms: 21 + -117 = -96
-12y = -96

Divide each side by '-12'.
y = 8

Simplifying
y = 8

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