57=-3(1-4x)

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Solution for 57=-3(1-4x) equation:


Simplifying
57 = -3(1 + -4x)
57 = (1 * -3 + -4x * -3)
57 = (-3 + 12x)

Solving
57 = -3 + 12x

Solving for variable 'x'.

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

Add '-12x' to each side of the equation.
57 + -12x = -3 + 12x + -12x

Combine like terms: 12x + -12x = 0
57 + -12x = -3 + 0
57 + -12x = -3

Add '-57' to each side of the equation.
57 + -57 + -12x = -3 + -57

Combine like terms: 57 + -57 = 0
0 + -12x = -3 + -57
-12x = -3 + -57

Combine like terms: -3 + -57 = -60
-12x = -60

Divide each side by '-12'.
x = 5

Simplifying
x = 5

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