3(6+2x)=42

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


Simplifying
3(6 + 2x) = 42
(6 * 3 + 2x * 3) = 42
(18 + 6x) = 42

Solving
18 + 6x = 42

Solving for variable 'x'.

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

Add '-18' to each side of the equation.
18 + -18 + 6x = 42 + -18

Combine like terms: 18 + -18 = 0
0 + 6x = 42 + -18
6x = 42 + -18

Combine like terms: 42 + -18 = 24
6x = 24

Divide each side by '6'.
x = 4

Simplifying
x = 4

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