x+7.7=12.2

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Solution for x+7.7=12.2 equation: 


Simplifying
x + 7.7 = 12.2

Reorder the terms:
7.7 + x = 12.2

Solving
7.7 + x = 12.2

Solving for variable 'x'.

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

Add '-7.7' to each side of the equation.
7.7 + -7.7 + x = 12.2 + -7.7

Combine like terms: 7.7 + -7.7 = 0.0
0.0 + x = 12.2 + -7.7
x = 12.2 + -7.7

Combine like terms: 12.2 + -7.7 = 4.5
x = 4.5

Simplifying
x = 4.5

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