3x+2.8=7x+7.2

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Solution for 3x+2.8=7x+7.2 equation: 



3x+2.8=7x+7.2

We move all terms to the left:

3x+2.8-(7x+7.2)=0

We get rid of parentheses

3x-7x-7.2+2.8=0

We add all the numbers together, and all the variables

-4x-4.4=0

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

-4x=4.4

x=4.4/-4

x=-1+0.4/4

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