6(x+18)-18=3x+15

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Solution for 6(x+18)-18=3x+15 equation:


Simplifying
6(x + 18) + -18 = 3x + 15

Reorder the terms:
6(18 + x) + -18 = 3x + 15
(18 * 6 + x * 6) + -18 = 3x + 15
(108 + 6x) + -18 = 3x + 15

Reorder the terms:
108 + -18 + 6x = 3x + 15

Combine like terms: 108 + -18 = 90
90 + 6x = 3x + 15

Reorder the terms:
90 + 6x = 15 + 3x

Solving
90 + 6x = 15 + 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.
90 + 6x + -3x = 15 + 3x + -3x

Combine like terms: 6x + -3x = 3x
90 + 3x = 15 + 3x + -3x

Combine like terms: 3x + -3x = 0
90 + 3x = 15 + 0
90 + 3x = 15

Add '-90' to each side of the equation.
90 + -90 + 3x = 15 + -90

Combine like terms: 90 + -90 = 0
0 + 3x = 15 + -90
3x = 15 + -90

Combine like terms: 15 + -90 = -75
3x = -75

Divide each side by '3'.
x = -25

Simplifying
x = -25

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