31=-42+-7x+17

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Solution for 31=-42+-7x+17 equation:



31=-42+-7x+17
We move all terms to the left:
31-(-42+-7x+17)=0
We add all the numbers together, and all the variables
-(-7x)+31=0
We get rid of parentheses
7x+31=0
We move all terms containing x to the left, all other terms to the right
7x=-31
x=-31/7
x=-4+3/7

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