Show that (2, 1) is a solution of the system of equations.
x + 3y = 5,
y = –x + 3
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Mathematics, 22.04.2020 02:09 vicilicious74
Show that (2, 1) is a solution of the system of equations.
x + 3y = 5,
y = –x + 3
1. Substitute (2, 1) into x + 3y = 5 to get .
Options: 1 + 32 = 5, 1 + 3(2) = 5, 2 + 31 = 5, 2 + 3(1) = 5
2. Simplify the equation to get
Options: 5 = 5 is true, 7 = 7 is true, 7 = 5 is false, 33 = 5 is false
3. Substitute (2, 1) into y = –x + 3 to get
Options: 1 = -(2) + 3, 1 = -(2 + 3), 2 = -(1) + 3, 2 = -(1 + 3)
4. Simplify the equation to get .
Options: 1 = 1 is true, 1 = -1 is false, 2 = 2 is true, 2 = -2 is false
Note by me: I’m looking for 4 answers, each question is numbered 1-4, BELOW the questions are the options/possible answers. And this “” is a blank space.
each option has four possible answers, but there is only one correct answer for every individual question. Please help I’m struggling.
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