2x+7(-40/31)=9

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Solution for 2x+7(-40/31)=9 equation: 



2x+7(-40/31)=9

We move all terms to the left:

2x+7(-40/31)-(9)=0

determiningTheFunctionDomain
2x-9+7(-40/31)=0

We multiply parentheses

2x-9-40/31*7=0

We multiply all the terms by the denominator


2x*31*7-40-9*31*7=0

We add all the numbers together, and all the variables

2x*31*7-1993=0

Wy multiply elements

434x*7-1993=0

Wy multiply elements

3038x-1993=0

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

3038x=1993

x=1993/3038

x=1993/3038

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