5.5=7.9-0.8x

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Solution for 5.5=7.9-0.8x equation: 


Simplifying
5.5 = 7.9 + -0.8x

Solving
5.5 = 7.9 + -0.8x

Solving for variable 'x'.

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

Add '0.8x' to each side of the equation.
5.5 + 0.8x = 7.9 + -0.8x + 0.8x

Combine like terms: -0.8x + 0.8x = 0.0
5.5 + 0.8x = 7.9 + 0.0
5.5 + 0.8x = 7.9

Add '-5.5' to each side of the equation.
5.5 + -5.5 + 0.8x = 7.9 + -5.5

Combine like terms: 5.5 + -5.5 = 0.0
0.0 + 0.8x = 7.9 + -5.5
0.8x = 7.9 + -5.5

Combine like terms: 7.9 + -5.5 = 2.4
0.8x = 2.4

Divide each side by '0.8'.
x = 3

Simplifying
x = 3

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