Question 1003045
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F=first number; S=second number=F+12
.
F+S=84
F+(F+12)=84
2F+12=84
2F=72
F=36
ANSWER 1: The first number is 36.
.
S=F+12=36+12=48
ANSWER 2: The second number is 48.
.
CHECK:
F+S=84
36+48=84
84=84