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Alenkinab [10]
4 years ago
11

How do you solve this solution using substitution? Please help me I need the answer fast!

Mathematics
1 answer:
alukav5142 [94]4 years ago
3 0
-4x+y=16
-5x-y=21
Subtract -5x-y=21 from -4x+y = 16
which leave x=-5
Then substitute -5 for x to get y. In the first equation .
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