Question

a+3b=5 7a- 3b = 6 solve​

Answer 1

a + 3b = 5 & 7a - 3b = 6

a = 5 - 3b & 7a - 3b = 6

Putting value of "a" from first equation in second equation,

7(5 - 3b) - 3b = 6

35 - 21b - 3b = 6

29 = 24b

b = 29/24

a = 5 - 3×29/24

= (40 - 29)/8

= 11/8

a = 11/8 & b = 29/24