x+8=2x-1

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


Simplifying
x + 8 = 2x + -1

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

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

Solving
8 + x = -1 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
8 + x + -2x = -1 + 2x + -2x

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

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

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

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

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

Divide each side by '-1'.
x = 9

Simplifying
x = 9

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