3 years ago

12 x − 8 y = 24 6 x − y = 21

Mathematics

1 answer:

KATRIN_1 [288]3 years ago

5 0

Answer: x=4

y=3

Step-by-step explanation:

12x-8y=24

6x-y=21

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

y=6x-21

12x-8(6x-21)=24

12x-48x+168=24

-36x=-144

x=144/36

x=4

y=24-21

y=3

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