4.3+x=7.7

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Solution for 4.3+x=7.7 equation: 


Simplifying
4.3 + x = 7.7

Solving
4.3 + x = 7.7

Solving for variable 'x'.

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

Add '-4.3' to each side of the equation.
4.3 + -4.3 + x = 7.7 + -4.3

Combine like terms: 4.3 + -4.3 = 0.0
0.0 + x = 7.7 + -4.3
x = 7.7 + -4.3

Combine like terms: 7.7 + -4.3 = 3.4
x = 3.4

Simplifying
x = 3.4

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