Answer:
1)x=2
2)x=9
Explanation:
x+1=3
=>x=3-1
therefore
x=2
second question
x-4=5
=>x=5+4
x=9
X+1=3
x = 3 - 1
x = 2
Check:
2 + 1 = 3
x = 5 + 4
x = 9
9 - 4 = 5
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