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0.4x-7=0.3+2.8
We move all terms to the left:
0.4x-7-(0.3+2.8)=0
We add all the numbers together, and all the variables
0.4x-7-(3.1)=0
We add all the numbers together, and all the variables
0.4x-10.1=0
We move all terms containing x to the left, all other terms to the right
0.4x=10.1
x=10.1/0.4
x=25+0.1/0.4
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