-18=3(x+4)-6x

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Solution for -18=3(x+4)-6x equation:


Simplifying
-18 = 3(x + 4) + -6x

Reorder the terms:
-18 = 3(4 + x) + -6x
-18 = (4 * 3 + x * 3) + -6x
-18 = (12 + 3x) + -6x

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

Solving
-18 = 12 + -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.
-18 + 3x = 12 + -3x + 3x

Combine like terms: -3x + 3x = 0
-18 + 3x = 12 + 0
-18 + 3x = 12

Add '18' to each side of the equation.
-18 + 18 + 3x = 12 + 18

Combine like terms: -18 + 18 = 0
0 + 3x = 12 + 18
3x = 12 + 18

Combine like terms: 12 + 18 = 30
3x = 30

Divide each side by '3'.
x = 10

Simplifying
x = 10

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