-9=x+5=7

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Solution for -9=x+5=7 equation:



-9=x+5=7
We move all terms to the left:
-9-(x+5)=0
We get rid of parentheses
-x-5-9=0
We add all the numbers together, and all the variables
-1x-14=0
We move all terms containing x to the left, all other terms to the right
-x=14
x=14/-1
x=-14

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