Answer:
x = 3
Explanation:
Substitute x for each answer until you get an answer equal to 2.
3 - 1 = 2
2 - 1 = 2
1 - 1 = 2
The only correct equation is 3 - 1 = 2, so 3 is x.
Answer: 3
Take your equation x-1=2
Now put 3 in for x
3-1=2
2=2
x=3
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