57=-4x-3(-4x+5)

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Solution for 57=-4x-3(-4x+5) equation:


Simplifying
57 = -4x + -3(-4x + 5)

Reorder the terms:
57 = -4x + -3(5 + -4x)
57 = -4x + (5 * -3 + -4x * -3)
57 = -4x + (-15 + 12x)

Reorder the terms:
57 = -15 + -4x + 12x

Combine like terms: -4x + 12x = 8x
57 = -15 + 8x

Solving
57 = -15 + 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
57 + -8x = -15 + 8x + -8x

Combine like terms: 8x + -8x = 0
57 + -8x = -15 + 0
57 + -8x = -15

Add '-57' to each side of the equation.
57 + -57 + -8x = -15 + -57

Combine like terms: 57 + -57 = 0
0 + -8x = -15 + -57
-8x = -15 + -57

Combine like terms: -15 + -57 = -72
-8x = -72

Divide each side by '-8'.
x = 9

Simplifying
x = 9

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