0.8x-0.7=8.9

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Solution for 0.8x-0.7=8.9 equation: 


Simplifying
0.8x + -0.7 = 8.9

Reorder the terms:
-0.7 + 0.8x = 8.9

Solving
-0.7 + 0.8x = 8.9

Solving for variable 'x'.

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

Add '0.7' to each side of the equation.
-0.7 + 0.7 + 0.8x = 8.9 + 0.7

Combine like terms: -0.7 + 0.7 = 0.0
0.0 + 0.8x = 8.9 + 0.7
0.8x = 8.9 + 0.7

Combine like terms: 8.9 + 0.7 = 9.6
0.8x = 9.6

Divide each side by '0.8'.
x = 12

Simplifying
x = 12

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