Question

find the value of K =2y=1 is a solution of equation 2x +3y=k

Answer 1

k=1
2y=1
y=1/2
2x+3/2=1
2x=1-3/2
2x=-1/2
x=-1/4

Answer 2

2X + 3Y =K

from 2 Y =1

Y=1/2

and, K=1

2X + 3×1/2 =1

2X = -3/2

X =-3/4