x+7.8=15.7

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Solution for x+7.8=15.7 equation: 


Simplifying
x + 7.8 = 15.7

Reorder the terms:
7.8 + x = 15.7

Solving
7.8 + x = 15.7

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 + x = 15.7 + -7.8

Combine like terms: 7.8 + -7.8 = 0.0
0.0 + x = 15.7 + -7.8
x = 15.7 + -7.8

Combine like terms: 15.7 + -7.8 = 7.9
x = 7.9

Simplifying
x = 7.9

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