x-3x+5=20-x

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Solution for x-3x+5=20-x equation:


Simplifying
x + -3x + 5 = 20 + -1x

Reorder the terms:
5 + x + -3x = 20 + -1x

Combine like terms: x + -3x = -2x
5 + -2x = 20 + -1x

Solving
5 + -2x = 20 + -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
5 + -2x + x = 20 + -1x + x

Combine like terms: -2x + x = -1x
5 + -1x = 20 + -1x + x

Combine like terms: -1x + x = 0
5 + -1x = 20 + 0
5 + -1x = 20

Add '-5' to each side of the equation.
5 + -5 + -1x = 20 + -5

Combine like terms: 5 + -5 = 0
0 + -1x = 20 + -5
-1x = 20 + -5

Combine like terms: 20 + -5 = 15
-1x = 15

Divide each side by '-1'.
x = -15

Simplifying
x = -15

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