10x+20=9x

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Solution for 10x+20=9x equation:


Simplifying
10x + 20 = 9x

Reorder the terms:
20 + 10x = 9x

Solving
20 + 10x = 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
20 + 10x + -9x = 9x + -9x

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

Combine like terms: 9x + -9x = 0
20 + 1x = 0

Add '-20' to each side of the equation.
20 + -20 + 1x = 0 + -20

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

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

Divide each side by '1'.
x = -20

Simplifying
x = -20

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