If 2(x - 1) - 3(2x - 1) = 1/2 find x

You receive 15% of the profit from a car wash how much money do you receive from a profit of 300

25 ! i need asap! ! ill mark brainliest!

David and alton are training for a race. they spend 35 minutes stretching and then go on a 5 mile practice run. david runs at a pace of 7 min/mile. alton runs at a pace of 8 min/mile. write an equation for each runner that shows the total length of their workout. then solve each equation showing your work