Translate this word problem as a system of equations and then solve using substitution.
1 answer:
Answer:
The numbers are 21 and 63
Step-by-step explanation:
let one number be x
let the other number be 3 times the other = 3x
3x + x = 84
4x = 84
x = 21
3x = 3×21 = 63
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dunno if it's really correct so....