Question

If KL = x + 8
, LM = 12
, and KM = 3x − 14
, what is KL?

Answer 1

Explanation:

3x-14=x+8+12

3x-x=8+12+14

2x=34

x=17

then

KL=(17)+8=25

Answer 2

x = 17

Explanation:

KL + LM = KM

x+8+12 = 3x-14

or, x+20 = 3x-14

or, 3x-x=20+14

or, 2x = 34

x = 17