Question

Find the value of x and the measure of the exterior angle. (9x+16) (5x-14)

Answer 1

Answer:

$x = 15 \: \: .....(5(15)- 14) = 61$

$(9x + 16 )= (5x - 14) + 90 \\ 9x - 5x = 90 - 14 - 16 \\ 4x = 60 \\ x = \frac{60}{4} \\ x = 15$