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

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


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

Combine like terms: 4 + -2 = 2
3(2) + -1(12 + 3x) = 18

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

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

Solving
-6 + -3x = 18

Solving for variable 'x'.

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

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 = 24
-3x = 24

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

Simplifying
x = -8

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