2(7x + 3) + 4 = 7(2x - 1) + 2x

The production line where you work can assemble 5 appliers every 30 minutes at this rate how long should it take the line to assemble 125 amplifiers

2y= 3 2 x−2 y = − 1 3 x + 1 y=− 3 1 x+1

One number is 4 less than 3 times a second number. if 3 more than two times the first number is decreased by 2 times the second number, the result is 11. use the substitution method. what is the first number?