Question

worth 15 points pls help

Answer 1

Set them both equal to 104°

7x+30+9x+42=104

Combine like terms

16x+72=104

Subtract 72 from both sides

104-72=32

16x=32

Divide by 16 on both sides

32/16=2

x=2

Plug it in for the measure of angle BOC:

9(2)+42

18+42=60

Measure of angle BOC is 60°