6x+3(x+2)=x-18

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Solution for 6x+3(x+2)=x-18 equation:


Simplifying
6x + 3(x + 2) = x + -18

Reorder the terms:
6x + 3(2 + x) = x + -18
6x + (2 * 3 + x * 3) = x + -18
6x + (6 + 3x) = x + -18

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

Combine like terms: 6x + 3x = 9x
6 + 9x = x + -18

Reorder the terms:
6 + 9x = -18 + x

Solving
6 + 9x = -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 + 9x + -1x = -18 + x + -1x

Combine like terms: 9x + -1x = 8x
6 + 8x = -18 + x + -1x

Combine like terms: x + -1x = 0
6 + 8x = -18 + 0
6 + 8x = -18

Add '-6' to each side of the equation.
6 + -6 + 8x = -18 + -6

Combine like terms: 6 + -6 = 0
0 + 8x = -18 + -6
8x = -18 + -6

Combine like terms: -18 + -6 = -24
8x = -24

Divide each side by '8'.
x = -3

Simplifying
x = -3

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