9x+15=20-x

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


Simplifying
9x + 15 = 20 + -1x

Reorder the terms:
15 + 9x = 20 + -1x

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

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

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

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

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

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

Divide each side by '10'.
x = 0.5

Simplifying
x = 0.5

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