Question

solve this find value of k

Answer 1

2k(-3/4)+7
-3k/2+7=8
-3k/2=1
So, k =-2/3
Hope it help you

Answer 2

Here is your answer
(-3/4 ,-1)
$2kx - 7y = 8 \\ 2k( - 3 \div 4) - 7( - 1) = 8 \\ - k(3 \div 2) + 7 = 8 \\ - k(3 \div 2) = 8 - 7 \\ - k = 1 \times 2 \div 3 \\ k = - 2 \div 3 \\ k = - 0.66$
Hope it helps