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-4+5=-2x-13
We move all terms to the left:
-4+5-(-2x-13)=0
We add all the numbers together, and all the variables
-(-2x-13)+1=0
We get rid of parentheses
2x+13+1=0
We add all the numbers together, and all the variables
2x+14=0
We move all terms containing x to the left, all other terms to the right
2x=-14
x=-14/2
x=-7
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