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Mathematics
Miah
4 January, 13:46
8x + 2y = 80
4x + 2y = 52
+4
Answers (
1
)
Clark Bullock
4 January, 16:25
0
Answer: (7, 12) x = 7, y = 12
Step-by-step explanation:
use the method of elimination
8x + 2
- 4x + 2y = 52
4x = 28
x = 7
plug it back into one of the original equations
8x + 2y = 80
8 (7) + 2y = 80
56 + 2y = 80
2y = 24
y = 12
(7, 12)
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