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Mathematics
Arthur Vargas
5 May, 11:49
5x - 4y = 19
x + 2y = 8
+3
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Giada Aguirre
5 May, 12:30
0
X + 2y = 8
x = - 2y + 8
5x - 4y = 19
5 (-2y + 8) - 4y = 19
-10y + 40 - 4y = 19
-14y = - 21
y = - 21/-14
y = 3/2
x + 2 (3/2) = 8
x + 3 = 8
x = 5
Answer: x = 5
y = 3/2
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