Tolong bantu... Usahakan pke caranya ya..

<CBA = 90
<CBA = 2x + 5 + 3x - 25
90 = 5x + 5 - 25
110 = 5x
22 = x

<CBD = 3x - 25
<CBD = 3(22) - 25
<CBD = 41

(2x + 5) + (3x-25) = 90
5x - 20 = 90
5x = 90 + 20
5x = 110
x = 110/5
x = 22

<CBD = 3x - 25
= 3.22 - 25
= 66 - 25
= 41