X+7.7=12.4

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Solution for X+7.7=12.4 equation: 


Simplifying
X + 7.7 = 12.4

Reorder the terms:
7.7 + X = 12.4

Solving
7.7 + X = 12.4

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 = 12.4 + -7.7

Combine like terms: 7.7 + -7.7 = 0.0
0.0 + X = 12.4 + -7.7
X = 12.4 + -7.7

Combine like terms: 12.4 + -7.7 = 4.7
X = 4.7

Simplifying
X = 4.7

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