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Lindsay is 5 years younger than Mark. Seven years ago, the sum of their ages was 31.
Let I be Lindsay's age and let m be Mark's age.
Which system of equations represents this situation?

Respuesta :

harpazo

Let L = Linda

Let M = Mark

M = L - 5

(L + M) - 7 = 31

Done!

Answer:

L=m-5       (l-7)+(m-7)=31

Step-by-step explanation:

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