-7=5x-2(4x-4)

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Solution for -7=5x-2(4x-4) equation:


Simplifying
-7 = 5x + -2(4x + -4)

Reorder the terms:
-7 = 5x + -2(-4 + 4x)
-7 = 5x + (-4 * -2 + 4x * -2)
-7 = 5x + (8 + -8x)

Reorder the terms:
-7 = 8 + 5x + -8x

Combine like terms: 5x + -8x = -3x
-7 = 8 + -3x

Solving
-7 = 8 + -3x

Solving for variable 'x'.

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

Add '3x' to each side of the equation.
-7 + 3x = 8 + -3x + 3x

Combine like terms: -3x + 3x = 0
-7 + 3x = 8 + 0
-7 + 3x = 8

Add '7' to each side of the equation.
-7 + 7 + 3x = 8 + 7

Combine like terms: -7 + 7 = 0
0 + 3x = 8 + 7
3x = 8 + 7

Combine like terms: 8 + 7 = 15
3x = 15

Divide each side by '3'.
x = 5

Simplifying
x = 5

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