7y+3(8-y)=-12

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Solution for 7y+3(8-y)=-12 equation: 


Simplifying
7y + 3(8 + -1y) = -12
7y + (8 * 3 + -1y * 3) = -12
7y + (24 + -3y) = -12

Reorder the terms:
24 + 7y + -3y = -12

Combine like terms: 7y + -3y = 4y
24 + 4y = -12

Solving
24 + 4y = -12

Solving for variable 'y'.

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

Add '-24' to each side of the equation.
24 + -24 + 4y = -12 + -24

Combine like terms: 24 + -24 = 0
0 + 4y = -12 + -24
4y = -12 + -24

Combine like terms: -12 + -24 = -36
4y = -36

Divide each side by '4'.
y = -9

Simplifying
y = -9

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