Jacob: 6N + 6S = 96
Joe: N + 4S = 52
Divide Jacob's equation by 6: N + S = 16
N + S = 16
N + 4S = 52
Subtract the 1st equation from the 2nd
3S = 36
You finish it from here!
Jacob: 6N + 6S = 96
Joe: N + 4S = 52
Divide Jacob's equation by 6: N + S = 16
N + S = 16
N + 4S = 52
Subtract the 1st equation from the 2nd
3S = 36
You finish it from here!
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