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0.57=-0.55x
We move all terms to the left:
0.57-(-0.55x)=0
We get rid of parentheses
0.55x+0.57=0
We move all terms containing x to the left, all other terms to the right
0.55x=-0.57
x=-0.57/0.55
x=-1+0.02/0.55
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