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4x+2=-28.2
We move all terms to the left:
4x+2-(-28.2)=0
We add all the numbers together, and all the variables
4x+30.2=0
We move all terms containing x to the left, all other terms to the right
4x=-30.2
x=-30.2/4
x=-7+1/1.81818181818
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