-8=-7y+3(y-4)

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Solution for -8=-7y+3(y-4) equation:


Simplifying
-8 = -7y + 3(y + -4)

Reorder the terms:
-8 = -7y + 3(-4 + y)
-8 = -7y + (-4 * 3 + y * 3)
-8 = -7y + (-12 + 3y)

Reorder the terms:
-8 = -12 + -7y + 3y

Combine like terms: -7y + 3y = -4y
-8 = -12 + -4y

Solving
-8 = -12 + -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.
-8 + 4y = -12 + -4y + 4y

Combine like terms: -4y + 4y = 0
-8 + 4y = -12 + 0
-8 + 4y = -12

Add '8' to each side of the equation.
-8 + 8 + 4y = -12 + 8

Combine like terms: -8 + 8 = 0
0 + 4y = -12 + 8
4y = -12 + 8

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

Divide each side by '4'.
y = -1

Simplifying
y = -1

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