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Gabrielle is 15 years younger than Mikhail. The sum of their ages is 61. What is Mikhail's age?

 Dec 1, 2022
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so basically

G=M-15

G+M=61, now solve for M

substitute the first equation into the second one

M-15+M=61

2m-15=61

2m=76

m=38

CHECK

38 + 23 = 61 YAY

 Dec 2, 2022

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