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OLEGan [10]
3 years ago
7

One number is 3 more than twice another number. if the sum of two number is 39, find the two numbers

Mathematics
2 answers:
kupik [55]3 years ago
8 0
X=3+2y
X+y=39
3+2y+y=39
3y=39-3=36
Y= 12,x= 3+2*12=27
Levart [38]3 years ago
7 0

(X+3)^2-x^2=39  x^2+6X+9-x^2=39 6x+9=39. 6x=30 x =5 x+3=8

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