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0.2x+0.4(70)=49.5
We move all terms to the left:
0.2x+0.4(70)-(49.5)=0
We add all the numbers together, and all the variables
0.2x-49.03=0
We move all terms containing x to the left, all other terms to the right
0.2x=49.03
x=49.03/0.2
x=245+0.030000000000001/0.2
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