Answer:
39
Step-by-step explanation:
let x = smaller number
3 + x = bigger number
3 + x + x = 81
3 + 2x = 81
3 + 2x - 3 = 81 -3
2x = 78
— —
2 2
x = 39
smaller number = 39
bigger number = x + 3
= 39 + 3
= 42
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Answers & Comments
Answer:
39
Step-by-step explanation:
let x = smaller number
3 + x = bigger number
3 + x + x = 81
3 + 2x = 81
3 + 2x - 3 = 81 -3
2x = 78
— —
2 2
x = 39
smaller number = 39
bigger number = x + 3
= 39 + 3
= 42