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3.2+x/7=-20.7
We move all terms to the left:
3.2+x/7-(-20.7)=0
We add all the numbers together, and all the variables
x/7+23.9=0
We multiply all the terms by the denominator
x+(23.9)*7=0
We add all the numbers together, and all the variables
x+167.3=0
We move all terms containing x to the left, all other terms to the right
x=-167.3
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