3x-6+x=x-18

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Solution for 3x-6+x=x-18 equation:


Simplifying
3x + -6 + x = x + -18

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

Combine like terms: 3x + x = 4x
-6 + 4x = x + -18

Reorder the terms:
-6 + 4x = -18 + x

Solving
-6 + 4x = -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.
-6 + 4x + -1x = -18 + x + -1x

Combine like terms: 4x + -1x = 3x
-6 + 3x = -18 + x + -1x

Combine like terms: x + -1x = 0
-6 + 3x = -18 + 0
-6 + 3x = -18

Add '6' to each side of the equation.
-6 + 6 + 3x = -18 + 6

Combine like terms: -6 + 6 = 0
0 + 3x = -18 + 6
3x = -18 + 6

Combine like terms: -18 + 6 = -12
3x = -12

Divide each side by '3'.
x = -4

Simplifying
x = -4

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