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Mathematics
Fisher Villa
18 January, 02:50
4x + 5y = 23
9x - 5y = 3
+1
Answers (
1
)
Bentley Phillips
18 January, 05:26
0
one solution : (2; 3)
Step-by-step explanation:
hello:
4x + 5y = 23 ... (*)
9x - 5y = 3 ... (**)
add (*) and (**) : 13x = 26
x = 26/13 = 2
put this value in (*) : 4 (2) + 5y = 23
5y = 15
y = 15/5=3
one solution : (2; 3)
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