-8=7(x-4)+2(-4x+8)

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Solution for -8=7(x-4)+2(-4x+8) equation:


Simplifying
-8 = 7(x + -4) + 2(-4x + 8)

Reorder the terms:
-8 = 7(-4 + x) + 2(-4x + 8)
-8 = (-4 * 7 + x * 7) + 2(-4x + 8)
-8 = (-28 + 7x) + 2(-4x + 8)

Reorder the terms:
-8 = -28 + 7x + 2(8 + -4x)
-8 = -28 + 7x + (8 * 2 + -4x * 2)
-8 = -28 + 7x + (16 + -8x)

Reorder the terms:
-8 = -28 + 16 + 7x + -8x

Combine like terms: -28 + 16 = -12
-8 = -12 + 7x + -8x

Combine like terms: 7x + -8x = -1x
-8 = -12 + -1x

Solving
-8 = -12 + -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
-8 + x = -12 + -1x + x

Combine like terms: -1x + x = 0
-8 + x = -12 + 0
-8 + x = -12

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

Combine like terms: -8 + 8 = 0
0 + x = -12 + 8
x = -12 + 8

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

Simplifying
x = -4

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