elysabrina6697
29.01.2020 •
Mathematics
What is the solution to this system of linear equations? 2x + y = 1 3x – y = –6
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Ответ:
3x - y = -6 . . . (2)
(1) + (2) => 5x = -5 => x = -5/5 = -1
From (1), 2x - 1 = 1 => 2x = 1 + 1 = 2 => x = 2/2 = 1
x = 1, y = -1
Ответ:
word from: six hundred three and seventy-four thousandths
expanded notation form:600+0+3+0.0+0.07+0.004
Step-by-step explanation:
this is a calculator soup link which explains how i got these answers:
https://www.calculatorsoup.com/calculators/math/expanded-form-calculator.php?input=603.074&action=solve