Gary wants to by a computer that costs $645. he earns about $10 an hour at his new job after taxes are deducted from his paycheck. how many hours does he have to work before he can buy the computer? include units and in answer. do not round

What does x = in this equation x+3+2x=x+5

Solve 3x-18=2y and 5x-6y=14 by elimination or substitution . show all !

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