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snow_lady [41]
3 years ago
14

lily and Rosie are sister the sum of their ages is 19 and the positive difference of their ages 9 set up a system of equations i

nvolving Lindsay's age, L, and roses age, R, assuming the lily is the older child solve the system to find their ages
Mathematics
1 answer:
djverab [1.8K]3 years ago
5 0
L+R=19
L-R=9

2L=28
L=14

(14)+R=19
R=5

L=14
R=5

Check:
(14)+(5)=19
(14)-(5)=9
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