2 years ago

1. What is the solution of the system

Mathematics

1 answer:

sasho [114]2 years ago

8 0

Answer:

Step-by-step explanation:

3x-y=14

4x+y=21

add

7x=35

x=35/7=5

4×5+y=21

y=21-20=1

so (5,1 ) is the solution.

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Step-by-step explanation:

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