Two times a number plus ten times a
second number is twenty. Thirty
times the second num...
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Mathematics, 21.02.2020 01:31, barboursj
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.
![answer](/tpl/images/cats/otvet.png)
Answers: 3
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