Respuesta :

elv
10 = -x+3+4

1) 10 = -x+7
2) 17 = -1x

note: if a variable for example, x, is alone, it is considered 1x.

3) 17/-1 = -1x/-1

the -1 cancels out so x is just a variable now.

4) x = -17 is your answer
Emyleen
The answer is 3. I believe it is correct me if I’m wrong

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