Question

Triangle JKL is shown below. Find the value of x.

Answer 1

x=9

Explanation:

every angle of a triangle added together equals 180. ill just show my work bc its hard to explain:

7x+2 + 4x+7 + 8x = 19x+9

19x+9 = 180

-9 -9

19x = 171 (now divide by 19)

x=9