3x+1+2x+7+4x-4=49

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Solution for 3x+1+2x+7+4x-4=49 equation: 



3x+1+2x+7+4x-4=49

We move all terms to the left:

3x+1+2x+7+4x-4-(49)=0

We add all the numbers together, and all the variables

9x-45=0

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

9x=45

x=45/9

x=5

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