12(x+7)=3x+120

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Solution for 12(x+7)=3x+120 equation:


Simplifying
12(x + 7) = 3x + 120

Reorder the terms:
12(7 + x) = 3x + 120
(7 * 12 + x * 12) = 3x + 120
(84 + 12x) = 3x + 120

Reorder the terms:
84 + 12x = 120 + 3x

Solving
84 + 12x = 120 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
84 + 12x + -3x = 120 + 3x + -3x

Combine like terms: 12x + -3x = 9x
84 + 9x = 120 + 3x + -3x

Combine like terms: 3x + -3x = 0
84 + 9x = 120 + 0
84 + 9x = 120

Add '-84' to each side of the equation.
84 + -84 + 9x = 120 + -84

Combine like terms: 84 + -84 = 0
0 + 9x = 120 + -84
9x = 120 + -84

Combine like terms: 120 + -84 = 36
9x = 36

Divide each side by '9'.
x = 4

Simplifying
x = 4

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