A) 4x + 5y = 13
5x - 4y = -32
b) 40x + 50y = 130
5x - 4y = 16
c)...
Mathematics, 22.11.2019 03:31 lovelyb32p1waxd
A) 4x + 5y = 13
5x - 4y = -32
b) 40x + 50y = 130
5x - 4y = 16
c) 20x + 25y = 65
-20x + 16y = 64
d) -4x + 5y = 13
10x - 8y = -32
Answers: 3
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