3x+4x-(-15)=90

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Solution for 3x+4x-(-15)=90 equation: 



3x+4x-(-15)=90

We move all terms to the left:

3x+4x-(-15)-(90)=0

determiningTheFunctionDomain
3x+4x-90-(-15)=0

We add all the numbers together, and all the variables

7x-75=0

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

7x=75

x=75/7

x=10+5/7

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