3-8=-x+2x

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Solution for 3-8=-x+2x equation:


Simplifying
3 + -8 = -1x + 2x

Combine like terms: 3 + -8 = -5
-5 = -1x + 2x

Combine like terms: -1x + 2x = 1x
-5 = 1x

Solving
-5 = 1x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
-5 + -1x = 1x + -1x

Combine like terms: 1x + -1x = 0
-5 + -1x = 0

Add '5' to each side of the equation.
-5 + 5 + -1x = 0 + 5

Combine like terms: -5 + 5 = 0
0 + -1x = 0 + 5
-1x = 0 + 5

Combine like terms: 0 + 5 = 5
-1x = 5

Divide each side by '-1'.
x = -5

Simplifying
x = -5

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