9+0.8x=0.9x

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Solution for 9+0.8x=0.9x equation:


Simplifying
9 + 0.8x = 0.9x

Solving
9 + 0.8x = 0.9x

Solving for variable 'x'.

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

Add '-0.9x' to each side of the equation.
9 + 0.8x + -0.9x = 0.9x + -0.9x

Combine like terms: 0.8x + -0.9x = -0.1x
9 + -0.1x = 0.9x + -0.9x

Combine like terms: 0.9x + -0.9x = 0.0
9 + -0.1x = 0.0

Add '-9' to each side of the equation.
9 + -9 + -0.1x = 0.0 + -9

Combine like terms: 9 + -9 = 0
0 + -0.1x = 0.0 + -9
-0.1x = 0.0 + -9

Combine like terms: 0.0 + -9 = -9
-0.1x = -9

Divide each side by '-0.1'.
x = 90

Simplifying
x = 90

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