Question

Find the value of x.
2+3
12
5
1.2
6.6
07
12

Answer 1

x = 7

Explanation:

The triangles are similar

12/8 = (x+3+5)/(x+3) cross multiply expressions

12x + 36 = 8x + 64

12x - 8x = 64 - 36

4x = 28 divide both sides by 4

x = 7