9x-66.4=x

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Solution for 9x-66.4=x equation:


Simplifying
9x + -66.4 = x

Reorder the terms:
-66.4 + 9x = x

Solving
-66.4 + 9x = 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.
-66.4 + 9x + -1x = x + -1x

Combine like terms: 9x + -1x = 8x
-66.4 + 8x = x + -1x

Combine like terms: x + -1x = 0
-66.4 + 8x = 0

Add '66.4' to each side of the equation.
-66.4 + 66.4 + 8x = 0 + 66.4

Combine like terms: -66.4 + 66.4 = 0.0
0.0 + 8x = 0 + 66.4
8x = 0 + 66.4

Combine like terms: 0 + 66.4 = 66.4
8x = 66.4

Divide each side by '8'.
x = 8.3

Simplifying
x = 8.3

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