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0.5+x+x=4.9
We move all terms to the left:
0.5+x+x-(4.9)=0
We add all the numbers together, and all the variables
2x-4.4=0
We move all terms containing x to the left, all other terms to the right
2x=4.4
x=4.4/2
x=2+0.4/2
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