7.8x-6.8x-2.8=8.9

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Solution for 7.8x-6.8x-2.8=8.9 equation: 


Simplifying
7.8x + -6.8x + -2.8 = 8.9

Reorder the terms:
-2.8 + 7.8x + -6.8x = 8.9

Combine like terms: 7.8x + -6.8x = 1x
-2.8 + 1x = 8.9

Solving
-2.8 + 1x = 8.9

Solving for variable 'x'.

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

Add '2.8' to each side of the equation.
-2.8 + 2.8 + 1x = 8.9 + 2.8

Combine like terms: -2.8 + 2.8 = 0.0
0.0 + 1x = 8.9 + 2.8
1x = 8.9 + 2.8

Combine like terms: 8.9 + 2.8 = 11.7
1x = 11.7

Divide each side by '1'.
x = 11.7

Simplifying
x = 11.7

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