20-9x=15+x

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Solution for 20-9x=15+x equation:


Simplifying
20 + -9x = 15 + x

Solving
20 + -9x = 15 + 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 + -9x + -1x = 15 + x + -1x

Combine like terms: -9x + -1x = -10x
20 + -10x = 15 + x + -1x

Combine like terms: x + -1x = 0
20 + -10x = 15 + 0
20 + -10x = 15

Add '-20' to each side of the equation.
20 + -20 + -10x = 15 + -20

Combine like terms: 20 + -20 = 0
0 + -10x = 15 + -20
-10x = 15 + -20

Combine like terms: 15 + -20 = -5
-10x = -5

Divide each side by '-10'.
x = 0.5

Simplifying
x = 0.5

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