Subtraction property of equality
3
2
= k + 11
2

3
2
− 11
2
= k + 11
2
− 11
2

Addition property of equality

3
2
+ (− 11
2
) = k + 11
2
+ (− 11
2
)

The solution is k =
-7
-4
StartFraction 13 over 2 EndFraction
StartFraction 15 over 2 EndFraction