Asked by Anonymous
3r-5s=-4 5r+3s=16 elimination method
Answers
Answered by
ABC123DOREMI
3r-5s= -4
5r+3s= 16
Multiply the 1st equation by 5 and the second by 3...
15r-25s= -20
15r+9s=48
Subtract both
-34s= -68
divide by -34
s=2
substitute
3r-10= -4
3r=6
r=2
5r+3s= 16
Multiply the 1st equation by 5 and the second by 3...
15r-25s= -20
15r+9s=48
Subtract both
-34s= -68
divide by -34
s=2
substitute
3r-10= -4
3r=6
r=2
Answered by
oscar
sixty is 5/6 of what number
Answered by
JOE
60*6
DUH!
DUH!
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