3(-5-4x)=57

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


Simplifying
3(-5 + -4x) = 57
(-5 * 3 + -4x * 3) = 57
(-15 + -12x) = 57

Solving
-15 + -12x = 57

Solving for variable 'x'.

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

Add '15' to each side of the equation.
-15 + 15 + -12x = 57 + 15

Combine like terms: -15 + 15 = 0
0 + -12x = 57 + 15
-12x = 57 + 15

Combine like terms: 57 + 15 = 72
-12x = 72

Divide each side by '-12'.
x = -6

Simplifying
x = -6

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