-1+x-2x=-8

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Solution for -1+x-2x=-8 equation: 


Simplifying
-1 + x + -2x = -8

Combine like terms: x + -2x = -1x
-1 + -1x = -8

Solving
-1 + -1x = -8

Solving for variable 'x'.

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

Add '1' to each side of the equation.
-1 + 1 + -1x = -8 + 1

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

Combine like terms: -8 + 1 = -7
-1x = -7

Divide each side by '-1'.
x = 7

Simplifying
x = 7

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