-12.8+2.2x=7.74-0.4x

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Solution for -12.8+2.2x=7.74-0.4x equation: 



-12.8+2.2x=7.74-0.4x

We move all terms to the left:

-12.8+2.2x-(7.74-0.4x)=0

We add all the numbers together, and all the variables

2.2x-(-0.4x+7.74)-12.8=0

We get rid of parentheses

2.2x+0.4x-7.74-12.8=0

We add all the numbers together, and all the variables

2.6x-20.54=0

We move all terms containing x to the left, all other terms to the right

2.6x=20.54

x=20.54/2.6

x=7+1/1.1111111111111

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