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labwork [276]
3 years ago
10

Using the elimination method to solve 2 x-y=8 x + y = 20

Mathematics
1 answer:
Pepsi [2]3 years ago
7 0

Step-by-step explanation:

2x-y=8

x+y=20

------------

3x=28

×=28÷3=9.3

so

9.3+y=20

y=20-9.3

y=20.7

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