3(-6+2)=42-3x

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Solution for 3(-6+2)=42-3x equation: 


Simplifying
3(-6 + 2) = 42 + -3x

Combine like terms: -6 + 2 = -4
3(-4) = 42 + -3x

Multiply 3 * -4
-12 = 42 + -3x

Solving
-12 = 42 + -3x

Solving for variable 'x'.

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

Add '3x' to each side of the equation.
-12 + 3x = 42 + -3x + 3x

Combine like terms: -3x + 3x = 0
-12 + 3x = 42 + 0
-12 + 3x = 42

Add '12' to each side of the equation.
-12 + 12 + 3x = 42 + 12

Combine like terms: -12 + 12 = 0
0 + 3x = 42 + 12
3x = 42 + 12

Combine like terms: 42 + 12 = 54
3x = 54

Divide each side by '3'.
x = 18

Simplifying
x = 18

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