Answer:
5 is the number
Explanation:
2x + 12 = 22
2x+12-12 = 22-12
2x = 10
2x÷2 = 10÷2
x=5
Plug x back in the equation and check the answer.
2(5)+12 = 22
10+12 = 22
22=22
It checks out!
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