-2x-(x-1)+8=0

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Solution for -2x-(x-1)+8=0 equation:


Simplifying
-2x + -1(x + -1) + 8 = 0

Reorder the terms:
-2x + -1(-1 + x) + 8 = 0
-2x + (-1 * -1 + x * -1) + 8 = 0
-2x + (1 + -1x) + 8 = 0

Reorder the terms:
1 + 8 + -2x + -1x = 0

Combine like terms: 1 + 8 = 9
9 + -2x + -1x = 0

Combine like terms: -2x + -1x = -3x
9 + -3x = 0

Solving
9 + -3x = 0

Solving for variable 'x'.

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

Add '-9' to each side of the equation.
9 + -9 + -3x = 0 + -9

Combine like terms: 9 + -9 = 0
0 + -3x = 0 + -9
-3x = 0 + -9

Combine like terms: 0 + -9 = -9
-3x = -9

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

Simplifying
x = 3

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