3(10-2x)-6x=42

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Solution for 3(10-2x)-6x=42 equation: 


Simplifying
3(10 + -2x) + -6x = 42
(10 * 3 + -2x * 3) + -6x = 42
(30 + -6x) + -6x = 42

Combine like terms: -6x + -6x = -12x
30 + -12x = 42

Solving
30 + -12x = 42

Solving for variable 'x'.

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

Add '-30' to each side of the equation.
30 + -30 + -12x = 42 + -30

Combine like terms: 30 + -30 = 0
0 + -12x = 42 + -30
-12x = 42 + -30

Combine like terms: 42 + -30 = 12
-12x = 12

Divide each side by '-12'.
x = -1

Simplifying
x = -1

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