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20-02-2020
Mathematics

contestada

Two times a number plus ten times a
second number is twenty. Thirty
times the second number plus three
times the first number is 45.
a. Write a system of equations to
represent the situation.

Respuesta :

20-02-2020

2xn + 10xn = 20 + 30xn + 3xn = 45

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