3(x+18)=x-18

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


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

Reorder the terms:
3(18 + x) = x + -18
(18 * 3 + x * 3) = x + -18
(54 + 3x) = x + -18

Reorder the terms:
54 + 3x = -18 + x

Solving
54 + 3x = -18 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
54 + 3x + -1x = -18 + x + -1x

Combine like terms: 3x + -1x = 2x
54 + 2x = -18 + x + -1x

Combine like terms: x + -1x = 0
54 + 2x = -18 + 0
54 + 2x = -18

Add '-54' to each side of the equation.
54 + -54 + 2x = -18 + -54

Combine like terms: 54 + -54 = 0
0 + 2x = -18 + -54
2x = -18 + -54

Combine like terms: -18 + -54 = -72
2x = -72

Divide each side by '2'.
x = -36

Simplifying
x = -36

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