-3[3+2x]=-57

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Solution for -3[3+2x]=-57 equation: 


Simplifying
-3[3 + 2x] = -57
[3 * -3 + 2x * -3] = -57
[-9 + -6x] = -57

Solving
-9 + -6x = -57

Solving for variable 'x'.

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

Add '9' to each side of the equation.
-9 + 9 + -6x = -57 + 9

Combine like terms: -9 + 9 = 0
0 + -6x = -57 + 9
-6x = -57 + 9

Combine like terms: -57 + 9 = -48
-6x = -48

Divide each side by '-6'.
x = 8

Simplifying
x = 8

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