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4x+3x=4+7
We move all terms to the left:
4x+3x-(4+7)=0
We add all the numbers together, and all the variables
4x+3x-11=0
We add all the numbers together, and all the variables
7x-11=0
We move all terms containing x to the left, all other terms to the right
7x=11
x=11/7
x=1+4/7
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