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Mathematics
River Cruz
22 December, 03:25
X + 4y = 8
4x + y = 2
+4
Answers (
1
)
Kylan Gibson
22 December, 07:10
0
x = 0
y = 2
Step-by-step explanation:
x + 4y = 8
4x + y = 2
Solve for x in first equation.
x = 8 - 4y
Put x as 8+4y in the second equation.
4 (8 - 4y) + 1y = 2
32 - 15y = 2
-15y = - 30
y = 2
Put y as 2 in first equation.
x + 4 (2) = 8
x + 8 = 8
x = 8 - 8
x = 0
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