3(-1)+x=4

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Solution for 3(-1)+x=4 equation: 



3(-1)+x=4

We move all terms to the left:

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

determiningTheFunctionDomain
x-4+3(-1)=0

We add all the numbers together, and all the variables

x-7=0

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

x=7

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