8.9-4x=7.8

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Solution for 8.9-4x=7.8 equation: 



8.9-4x=7.8

We move all terms to the left:

8.9-4x-(7.8)=0

We add all the numbers together, and all the variables

-4x+1.1=0

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

-4x=-1.1

x=-1.1/-4

x=1/3.6363636363636

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