3x-(-7)=40

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Solution for 3x-(-7)=40 equation: 



3x-(-7)=40

We move all terms to the left:

3x-(-7)-(40)=0

determiningTheFunctionDomain
3x-40-(-7)=0

We add all the numbers together, and all the variables

3x-33=0

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

3x=33

x=33/3

x=11

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