.8x-7.9=y

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Solution for .8x-7.9=y equation: 


Simplifying
0.8x + -7.9 = y

Reorder the terms:
-7.9 + 0.8x = y

Solving
-7.9 + 0.8x = y

Solving for variable 'x'.

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

Add '7.9' to each side of the equation.
-7.9 + 7.9 + 0.8x = 7.9 + y

Combine like terms: -7.9 + 7.9 = 0.0
0.0 + 0.8x = 7.9 + y
0.8x = 7.9 + y

Divide each side by '0.8'.
x = 9.875 + 1.25y

Simplifying
x = 9.875 + 1.25y

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