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4 votes
A : 4
B : 13
C : 18
D : 19
E : 26
Help !

A : 4 B : 13 C : 18 D : 19 E : 26 Help !-example-1
User Wubinator
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8.2k points

1 Answer

2 votes


x + 9 = 4x - 3 \\ x + 9 + 3 = 4x \\ 9 + 3 = 4x - x \\ 12 = 4x - x \\ 12 = 3x \\ x = (12)/(3) \\ x = 4
to find the length of LK plug x into 4x-3 and x+9 then add them together


(4x - 3) \\ (4 * 4 - 3) \\ (16 - 3) \\ = 13

(x + 9) \\ (4 + 9) \\ = 13

13 + 13 = 26


E is the answer
User Shemnon
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8.5k points