3x+4-x=7-4

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Solution for 3x+4-x=7-4 equation: 



3x+4-x=7-4

We move all terms to the left:

3x+4-x-(7-4)=0

We add all the numbers together, and all the variables

3x-x+4-3=0

We add all the numbers together, and all the variables

2x+1=0

We move all terms containing x to the left, all other terms to the right

2x=-1

x=-1/2

x=-1/2

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