-12=4(y-7)-8y

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Solution for -12=4(y-7)-8y equation:


Simplifying
-12 = 4(y + -7) + -8y

Reorder the terms:
-12 = 4(-7 + y) + -8y
-12 = (-7 * 4 + y * 4) + -8y
-12 = (-28 + 4y) + -8y

Combine like terms: 4y + -8y = -4y
-12 = -28 + -4y

Solving
-12 = -28 + -4y

Solving for variable 'y'.

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

Add '4y' to each side of the equation.
-12 + 4y = -28 + -4y + 4y

Combine like terms: -4y + 4y = 0
-12 + 4y = -28 + 0
-12 + 4y = -28

Add '12' to each side of the equation.
-12 + 12 + 4y = -28 + 12

Combine like terms: -12 + 12 = 0
0 + 4y = -28 + 12
4y = -28 + 12

Combine like terms: -28 + 12 = -16
4y = -16

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

Simplifying
y = -4

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