3x+4=4-7

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



3x+4=4-7

We move all terms to the left:

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

We add all the numbers together, and all the variables

3x+4-(-3)=0

We add all the numbers together, and all the variables

3x+7=0

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

3x=-7

x=-7/3

x=-2+1/3

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