(-x-7)+3x=-13

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Solution for (-x-7)+3x=-13 equation:


Simplifying
(-1x + -7) + 3x = -13

Reorder the terms:
(-7 + -1x) + 3x = -13

Remove parenthesis around (-7 + -1x)
-7 + -1x + 3x = -13

Combine like terms: -1x + 3x = 2x
-7 + 2x = -13

Solving
-7 + 2x = -13

Solving for variable 'x'.

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

Add '7' to each side of the equation.
-7 + 7 + 2x = -13 + 7

Combine like terms: -7 + 7 = 0
0 + 2x = -13 + 7
2x = -13 + 7

Combine like terms: -13 + 7 = -6
2x = -6

Divide each side by '2'.
x = -3

Simplifying
x = -3

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