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0.09x+4=4.9
We move all terms to the left:
0.09x+4-(4.9)=0
We add all the numbers together, and all the variables
0.09x-0.9=0
We move all terms containing x to the left, all other terms to the right
0.09x=0.9
x=0.9/0.09
x=10+1.1102230246252E-16/0.09
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