2 years ago

40 points please help

Mathematics

1 answer:

creativ13 [48]2 years ago

4 0

IJKL is a rectangle, so opposite sides have the same length:

• IJ = KL ⇒ 6y - 6 = 2x + 20

• JK = IL ⇒ 3x + 21 = 6y

Substitute the second equation into the first and solve for x :

6y - 6 = 2x + 20

(3x + 21) - 6 = 2x + 20

3x + 15 = 2x + 20

x = 5

Solve for y :

3x + 21 = 6y

15 + 21 = 6y

36 = 6y

y = 6

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