-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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