20+0.5x=x-90

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Solution for 20+0.5x=x-90 equation:


Simplifying
20 + 0.5x = x + -90

Reorder the terms:
20 + 0.5x = -90 + x

Solving
20 + 0.5x = -90 + x

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.
20 + 0.5x + -1x = -90 + x + -1x

Combine like terms: 0.5x + -1x = -0.5x
20 + -0.5x = -90 + x + -1x

Combine like terms: x + -1x = 0
20 + -0.5x = -90 + 0
20 + -0.5x = -90

Add '-20' to each side of the equation.
20 + -20 + -0.5x = -90 + -20

Combine like terms: 20 + -20 = 0
0 + -0.5x = -90 + -20
-0.5x = -90 + -20

Combine like terms: -90 + -20 = -110
-0.5x = -110

Divide each side by '-0.5'.
x = 220

Simplifying
x = 220

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