-13=-9+x

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Solution for -13=-9+x equation:



-13=-9+x
We move all terms to the left:
-13-(-9+x)=0
We add all the numbers together, and all the variables
-(x-9)-13=0
We get rid of parentheses
-x+9-13=0
We add all the numbers together, and all the variables
-1x-4=0
We move all terms containing x to the left, all other terms to the right
-x=4
x=4/-1
x=-4

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