-3(8+4)=2(1-x)+4

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Solution for -3(8+4)=2(1-x)+4 equation:


Simplifying
-3(8 + 4) = 2(1 + -1x) + 4

Combine like terms: 8 + 4 = 12
-3(12) = 2(1 + -1x) + 4

Multiply -3 * 12
-36 = 2(1 + -1x) + 4
-36 = (1 * 2 + -1x * 2) + 4
-36 = (2 + -2x) + 4

Reorder the terms:
-36 = 2 + 4 + -2x

Combine like terms: 2 + 4 = 6
-36 = 6 + -2x

Solving
-36 = 6 + -2x

Solving for variable 'x'.

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

Add '2x' to each side of the equation.
-36 + 2x = 6 + -2x + 2x

Combine like terms: -2x + 2x = 0
-36 + 2x = 6 + 0
-36 + 2x = 6

Add '36' to each side of the equation.
-36 + 36 + 2x = 6 + 36

Combine like terms: -36 + 36 = 0
0 + 2x = 6 + 36
2x = 6 + 36

Combine like terms: 6 + 36 = 42
2x = 42

Divide each side by '2'.
x = 21

Simplifying
x = 21

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