zakrocks
zakrocks
17-02-2017
Mathematics
contestada
What is the solution to 2x+3y=9 over X-2y=1
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deadlykittenxo
deadlykittenxo
17-02-2017
Assuming this is what you mean:
2x + 3y = 9
x - 2y = 1
-2(x - 2y = 1)
-2x + 4y = -2
2x + 3y = 9
7y = 7
y = 1
2x + 3(1) = 9
2x + 3 = 9
2x = 6
x = 3
Solution (3, 1)
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