390+2x/7=80

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Solution for 390+2x/7=80 equation: 



390+2x/7=80

We move all terms to the left:

390+2x/7-(80)=0

We add all the numbers together, and all the variables

2x/7+310=0

We multiply all the terms by the denominator


2x+310*7=0

We add all the numbers together, and all the variables

2x+2170=0

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

2x=-2170

x=-2170/2

x=-1085

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