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45x=900/56+54-90
We move all terms to the left:
45x-(900/56+54-90)=0
We add all the numbers together, and all the variables
45x-(900/56-36)=0
We get rid of parentheses
45x+36-900/56=0
We multiply all the terms by the denominator
45x*56-900+36*56=0
We add all the numbers together, and all the variables
45x*56+1116=0
Wy multiply elements
2520x+1116=0
We move all terms containing x to the left, all other terms to the right
2520x=-1116
x=-1116/2520
x=-31/70
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