Please help! this is the last question :)

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

You are remodeling your kitchen. you’ve contacted two tiling companies who gladly told you how long it took their workers to tile of a similar size jim completed half the floor in 8 hours. pete completed half of the other floor in 7 hours. if pete can lay 20 more tiles per hour than jim, at what rate can jim lay tiles

The perimeter of a stage is 116 feet. it is 17 feet wide. how long is it?