3(x+2)=42

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


Simplifying
3(x + 2) = 42

Reorder the terms:
3(2 + x) = 42
(2 * 3 + x * 3) = 42
(6 + 3x) = 42

Solving
6 + 3x = 42

Solving for variable 'x'.

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

Add '-6' to each side of the equation.
6 + -6 + 3x = 42 + -6

Combine like terms: 6 + -6 = 0
0 + 3x = 42 + -6
3x = 42 + -6

Combine like terms: 42 + -6 = 36
3x = 36

Divide each side by '3'.
x = 12

Simplifying
x = 12

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