Please help me solve the following...?

you havent mentioned the rhs of the question...

if its zero then here it goes:

(10/7+2/7+2)k+(11/7+2/7-6)=0

or,( ( 10 + 2 + 7 * 2 ) / 7 ) k + ( ( 11 + 2 - 6 * 7 ) / 7 )[here lcm of denominator is 7. So u have to multiply the numerator without the denominator with the lcm n add it with the rest of the numerators. the denominator remains the same)

or,( ( 12 + 14 ) / 7 ) k + ( ( 13 - 42 ) / 7 ) = 0

or,( 26 / 7 ) k + ( - 29 / 7 ) = 0

or,( 26 / 7 ) k = ( 29 / 7 ) [when a constant with minus sign in lhs goes to rhs it becomes positive..hope u know that]

or,26 k = 29 [ here ,i have cancelled the denominator 7 on both sides]{confusion,reply!}

Therefore,k=29 / 26

if u have confusion in ny steps, reply!!

-2/7k -31/7, but from the solution i was able to get, this cant possibly be the original problem, you have to solve for something, not just a one-sided messed up problem, mixing fractions, and whole numbers