3(4x+4)+15x=120

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Solution for 3(4x+4)+15x=120 equation:


Simplifying
3(4x + 4) + 15x = 120

Reorder the terms:
3(4 + 4x) + 15x = 120
(4 * 3 + 4x * 3) + 15x = 120
(12 + 12x) + 15x = 120

Combine like terms: 12x + 15x = 27x
12 + 27x = 120

Solving
12 + 27x = 120

Solving for variable 'x'.

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

Add '-12' to each side of the equation.
12 + -12 + 27x = 120 + -12

Combine like terms: 12 + -12 = 0
0 + 27x = 120 + -12
27x = 120 + -12

Combine like terms: 120 + -12 = 108
27x = 108

Divide each side by '27'.
x = 4

Simplifying
x = 4

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