Question

You place two wooden support beams under a shelf, as shown. Find the value of x.

(2x + 10)
(x + 5)

Answer 1

see attached

Explanation:

angles on a straight line

Answer 2

X=55

Explanation:

(2x+10)+(x+5)=180

Combine like terms.

3x+15=180

Subtract 15.

3x=165

Divide by 3.

x=55