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5.2=-4x+30.8
We move all terms to the left:
5.2-(-4x+30.8)=0
We get rid of parentheses
4x-30.8+5.2=0
We add all the numbers together, and all the variables
4x-25.6=0
We move all terms containing x to the left, all other terms to the right
4x=25.6
x=25.6/4
x=6+1/2.5
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