Show that (2, 1) is a solution of the system of equations.
x + 3y = 5,
y = –x + 3
...
Mathematics, 21.04.2020 09:21 kayladaniels146
Show that (2, 1) is a solution of the system of equations.
x + 3y = 5,
y = –x + 3
Substitute (2, 1) into x + 3y = 5 to get .
Simplify the equation to get
Substitute (2, 1) into y = –x + 3 to get
Simplify the equation to get .
Answers: 3
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