2x+-1+x+x+9=40

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Solution for 2x+-1+x+x+9=40 equation: 



2x+-1+x+x+9=40

We move all terms to the left:

2x+-1+x+x+9-(40)=0

determiningTheFunctionDomain
2x+x+x-1+9-40+=0

We add all the numbers together, and all the variables

4x=0

x=0/4

x=0

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