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Keller
Mathematics
14 February, 02:59
If 3a = - 9 ab = 15. What's the value of b
+1
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)
Bianca Moyer
14 February, 03:05
0
b = - 5
Step-by-step explanation:
So we know
3a = - 9
Divide 3 on both sides
a = - 3
Plug a in to the other equation
-3b = 15
divide - 3 on both sides
b = - 5
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