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romanna [79]
3 years ago
9

How do you solve this without substituting 2a+b=-5 -5a+b=16

Mathematics
1 answer:
Hoochie [10]3 years ago
8 0

Answer:

answer shown in picture above

Step-by-step explanation:

you need to multiply them so that you can simplify it. the bottom b will become negative and the b's will x out

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