Question

Ray BD bisects angle ABC. Find the measure of angle ABC if the measure of angle ABD is represented by 7x-2 and the measure of angle DBC is represented by 5x+10.
Angle A B C contains ray B D. Angles A B D and D B C are adjacent.

6 degrees

12 degrees

40 degrees

80 degrees Ray BD bisects angle ABC. Find the measure of angle ABC if the measure of angle ABD is represented by 7x-2 and the measure of angle DBC is represented by 5x+10.
Angle A B C contains ray B D. Angles A B D and D B C are adjacent.

6 degrees

12 degrees

40 degrees

80 degrees @Mathematics