Question

Find the value of 'a' and 'b'.
if , (2a+b, a- 2b)=(7,6)​

Answer 1

Step-by-step explanation:

2a + b = 7 -----(1)

a - 2b = 6

2a - 4b = 12 -----(2)

from equation (2) - (1)

-5b = 5

b = -1

from equation (1)

2a - 1 = 7

2a = 8

a = 4

Answer 2

Answer:

a=4

Step-by-step explanation:

2a + b = 7 -----(1)

a - 2b = 6

2a - 4b = 12 -----(2)

from equation (2) - (1)

-5b = 5

b = -1

from equation (1)

2a - 1 = 7

2a = 8

a = 4