3 years ago

Solve equations by using elimination -4+5y= 13 X-5y=21 ( , )

Mathematics

1 answer:

tigry1 [53]3 years ago

5 0

Answer:

y=17/5 ,x= 38

Step-by-step explanation:

-4+5y =13 add 4 both side

4-4+5y=13+4

5y=17

5y/5=17/5 y=17/5

x-5y=21

x-5(17/5)=21

x-17=21

x=21+17= 38

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