42=3(4-2x)

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Solution for 42=3(4-2x) equation: 


Simplifying
42 = 3(4 + -2x)
42 = (4 * 3 + -2x * 3)
42 = (12 + -6x)

Solving
42 = 12 + -6x

Solving for variable 'x'.

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

Add '6x' to each side of the equation.
42 + 6x = 12 + -6x + 6x

Combine like terms: -6x + 6x = 0
42 + 6x = 12 + 0
42 + 6x = 12

Add '-42' to each side of the equation.
42 + -42 + 6x = 12 + -42

Combine like terms: 42 + -42 = 0
0 + 6x = 12 + -42
6x = 12 + -42

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

Divide each side by '6'.
x = -5

Simplifying
x = -5

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