Show that (2, 1) is a solution of the system of equations.
2 answers:
Answer:
x = 2
y = 1
Step-by-step explanation:
y = -x + 3
x + 3y = 5
x + 3(-x + 3) = 5
x - 3x + 9 = 5
-2x + 9 = 5
-2x = 5 - 9
-2x = -4
x = -4/-2
x = 2
y = –x + 3
y = -2 + 3
y = 1
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