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10.2+x/7=-7.3
We move all terms to the left:
10.2+x/7-(-7.3)=0
We add all the numbers together, and all the variables
x/7+17.5=0
We multiply all the terms by the denominator
x+(17.5)*7=0
We add all the numbers together, and all the variables
x+122.5=0
We move all terms containing x to the left, all other terms to the right
x=-122.5
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