2(3x+4)-x=-20+x

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Solution for 2(3x+4)-x=-20+x equation:


Simplifying
2(3x + 4) + -1x = -20 + x

Reorder the terms:
2(4 + 3x) + -1x = -20 + x
(4 * 2 + 3x * 2) + -1x = -20 + x
(8 + 6x) + -1x = -20 + x

Combine like terms: 6x + -1x = 5x
8 + 5x = -20 + x

Solving
8 + 5x = -20 + 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.
8 + 5x + -1x = -20 + x + -1x

Combine like terms: 5x + -1x = 4x
8 + 4x = -20 + x + -1x

Combine like terms: x + -1x = 0
8 + 4x = -20 + 0
8 + 4x = -20

Add '-8' to each side of the equation.
8 + -8 + 4x = -20 + -8

Combine like terms: 8 + -8 = 0
0 + 4x = -20 + -8
4x = -20 + -8

Combine like terms: -20 + -8 = -28
4x = -28

Divide each side by '4'.
x = -7

Simplifying
x = -7

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