10+9=20+9x

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Solution for 10+9=20+9x equation:


Simplifying
10 + 9 = 20 + 9x

Combine like terms: 10 + 9 = 19
19 = 20 + 9x

Solving
19 = 20 + 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.
19 + -9x = 20 + 9x + -9x

Combine like terms: 9x + -9x = 0
19 + -9x = 20 + 0
19 + -9x = 20

Add '-19' to each side of the equation.
19 + -19 + -9x = 20 + -19

Combine like terms: 19 + -19 = 0
0 + -9x = 20 + -19
-9x = 20 + -19

Combine like terms: 20 + -19 = 1
-9x = 1

Divide each side by '-9'.
x = -0.1111111111

Simplifying
x = -0.1111111111

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