3(1+x)=39

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Solution for 3(1+x)=39 equation: 


Simplifying
3(1 + x) = 39
(1 * 3 + x * 3) = 39
(3 + 3x) = 39

Solving
3 + 3x = 39

Solving for variable 'x'.

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

Add '-3' to each side of the equation.
3 + -3 + 3x = 39 + -3

Combine like terms: 3 + -3 = 0
0 + 3x = 39 + -3
3x = 39 + -3

Combine like terms: 39 + -3 = 36
3x = 36

Divide each side by '3'.
x = 12

Simplifying
x = 12

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