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3x-2.3x=4+3
We move all terms to the left:
3x-2.3x-(4+3)=0
We add all the numbers together, and all the variables
3x-2.3x-7=0
We add all the numbers together, and all the variables
0.7x-7=0
We move all terms containing x to the left, all other terms to the right
0.7x=7
x=7/0.7
x=10
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