What i want to know it how to do this

2x - 20 = 32 20 - 3x = 8 6x - 8 = 16 -13 - 3x = -10

Need 50 will mark brainliest answer. find the lengths of all the sides and the measures of the angles.

Cody started biking to the park traveling 15 mph, after some time the bike got a flat so cody walked the rest of the way, traveling 4 mph. if the total trip to the park took 6 hours and it was 46 miles away, how long did cody travel at each speed? solve using rate times time= distance