3(x-3)-x-3=-18

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


Simplifying
3(x + -3) + -1x + -3 = -18

Reorder the terms:
3(-3 + x) + -1x + -3 = -18
(-3 * 3 + x * 3) + -1x + -3 = -18
(-9 + 3x) + -1x + -3 = -18

Reorder the terms:
-9 + -3 + 3x + -1x = -18

Combine like terms: -9 + -3 = -12
-12 + 3x + -1x = -18

Combine like terms: 3x + -1x = 2x
-12 + 2x = -18

Solving
-12 + 2x = -18

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 + 2x = -18 + 12

Combine like terms: -12 + 12 = 0
0 + 2x = -18 + 12
2x = -18 + 12

Combine like terms: -18 + 12 = -6
2x = -6

Divide each side by '2'.
x = -3

Simplifying
x = -3

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