Question

seema works 3a + b sums of which only 6b - 2 are correct. How many sums are incorrect​

Answer 1

Answer:

to find the incorrect sums

subtract 6b-2 from 3a+b

3a+b-(6b-2)

3a+b-6b+2

3a-5b+2

Answer 2

Answer:

( Total - Correct = Incorrect )

( 3a + b ) - ( 6b - 2 ) = Incorrect

Ans = 3a - 5b + 2

Just we have to subtract it ..