15(x+6)-3x=138

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Solution for 15(x+6)-3x=138 equation:


Simplifying
15(x + 6) + -3x = 138

Reorder the terms:
15(6 + x) + -3x = 138
(6 * 15 + x * 15) + -3x = 138
(90 + 15x) + -3x = 138

Combine like terms: 15x + -3x = 12x
90 + 12x = 138

Solving
90 + 12x = 138

Solving for variable 'x'.

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

Add '-90' to each side of the equation.
90 + -90 + 12x = 138 + -90

Combine like terms: 90 + -90 = 0
0 + 12x = 138 + -90
12x = 138 + -90

Combine like terms: 138 + -90 = 48
12x = 48

Divide each side by '12'.
x = 4

Simplifying
x = 4

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