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8.7*0.65+0.35x=7.6
We move all terms to the left:
8.7*0.65+0.35x-(7.6)=0
We add all the numbers together, and all the variables
0.35x-1.945=0
We move all terms containing x to the left, all other terms to the right
0.35x=1.945
x=1.945/0.35
x=5+0.195/0.35
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