-x+7.8=36.9

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Solution for -x+7.8=36.9 equation: 


Simplifying
-1x + 7.8 = 36.9

Reorder the terms:
7.8 + -1x = 36.9

Solving
7.8 + -1x = 36.9

Solving for variable 'x'.

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

Add '-7.8' to each side of the equation.
7.8 + -7.8 + -1x = 36.9 + -7.8

Combine like terms: 7.8 + -7.8 = 0.0
0.0 + -1x = 36.9 + -7.8
-1x = 36.9 + -7.8

Combine like terms: 36.9 + -7.8 = 29.1
-1x = 29.1

Divide each side by '-1'.
x = -29.1

Simplifying
x = -29.1

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