Question

Find the value of x.

Answer 1

little box means whole thing is 90 degrees

(2x+4)+(5x+2)=90

7x+6=90

7x=84

x=12

2x+4 = 2(12)+4 = 24+4 = 28

5x+2 = 5(12)+2 = 60+2 = 62

Answer 2

The sum of these two angles is 90