3(4-2x)-(12+3x)=18

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Solution for 3(4-2x)-(12+3x)=18 equation: 


Simplifying
3(4 + -2x) + -1(12 + 3x) = 18
(4 * 3 + -2x * 3) + -1(12 + 3x) = 18
(12 + -6x) + -1(12 + 3x) = 18
12 + -6x + (12 * -1 + 3x * -1) = 18
12 + -6x + (-12 + -3x) = 18

Reorder the terms:
12 + -12 + -6x + -3x = 18

Combine like terms: 12 + -12 = 0
0 + -6x + -3x = 18
-6x + -3x = 18

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

Solving
-9x = 18

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Divide each side by '-9'.
x = -2

Simplifying
x = -2

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