Question

(SAT Prep) Find the value of x.

Answer 1

65

Explanation:

2x+2x=4x

4x+50+50=360

4x+100=360

4x=260

x=65

Answer 2

• x = 65°

Explanation:

2x and 50° are supplementary angles

• 2x + 50° = 180°
• 2x = 130°
• x = 130°/2
• x = 65°