6x+3-(-x)=-20+5x-7

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Solution for 6x+3-(-x)=-20+5x-7 equation:


Simplifying
6x + 3 + -1(-1x) = -20 + 5x + -7

Remove parenthesis around (-1x)
6x + 3 + -1 * -1x = -20 + 5x + -7

Multiply -1 * -1
6x + 3 + 1x = -20 + 5x + -7

Reorder the terms:
3 + 6x + 1x = -20 + 5x + -7

Combine like terms: 6x + 1x = 7x
3 + 7x = -20 + 5x + -7

Reorder the terms:
3 + 7x = -20 + -7 + 5x

Combine like terms: -20 + -7 = -27
3 + 7x = -27 + 5x

Solving
3 + 7x = -27 + 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
3 + 7x + -5x = -27 + 5x + -5x

Combine like terms: 7x + -5x = 2x
3 + 2x = -27 + 5x + -5x

Combine like terms: 5x + -5x = 0
3 + 2x = -27 + 0
3 + 2x = -27

Add '-3' to each side of the equation.
3 + -3 + 2x = -27 + -3

Combine like terms: 3 + -3 = 0
0 + 2x = -27 + -3
2x = -27 + -3

Combine like terms: -27 + -3 = -30
2x = -30

Divide each side by '2'.
x = -15

Simplifying
x = -15

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