Question

Help me to solve this equation 21x-2y=15 13x-y=10

Answer 1

Answer:

x=1 , y= 3

Step-by-step explanation:

13x - y = 10 ..... (i)

21x - 2y = 15 ......(ii)

multiply 2 in eq I

26x - 2y = 20

- (21x - 2y = 15)

_______________

5x = 5

x = 1

put x in i

13 - y = 10

y = 13 -10

y = 3