12(7+x)=120

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Solution for 12(7+x)=120 equation: 


Simplifying
12(7 + x) = 120
(7 * 12 + x * 12) = 120
(84 + 12x) = 120

Solving
84 + 12x = 120

Solving for variable 'x'.

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

Add '-84' to each side of the equation.
84 + -84 + 12x = 120 + -84

Combine like terms: 84 + -84 = 0
0 + 12x = 120 + -84
12x = 120 + -84

Combine like terms: 120 + -84 = 36
12x = 36

Divide each side by '12'.
x = 3

Simplifying
x = 3

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