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0.3x+0.04x=3.4
We move all terms to the left:
0.3x+0.04x-(3.4)=0
We add all the numbers together, and all the variables
0.34x-3.4=0
We move all terms containing x to the left, all other terms to the right
0.34x=3.4
x=3.4/0.34
x=9+0.34/0.34
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