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

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


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

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

Reorder the terms:
-18 + -3 + -12x = 18 + x

Combine like terms: -18 + -3 = -21
-21 + -12x = 18 + x

Solving
-21 + -12x = 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.
-21 + -12x + -1x = 18 + x + -1x

Combine like terms: -12x + -1x = -13x
-21 + -13x = 18 + x + -1x

Combine like terms: x + -1x = 0
-21 + -13x = 18 + 0
-21 + -13x = 18

Add '21' to each side of the equation.
-21 + 21 + -13x = 18 + 21

Combine like terms: -21 + 21 = 0
0 + -13x = 18 + 21
-13x = 18 + 21

Combine like terms: 18 + 21 = 39
-13x = 39

Divide each side by '-13'.
x = -3

Simplifying
x = -3

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