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0.7x+1.4=7
We move all terms to the left:
0.7x+1.4-(7)=0
We add all the numbers together, and all the variables
0.7x-5.6=0
We move all terms containing x to the left, all other terms to the right
0.7x=5.6
x=5.6/0.7
x=8
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