Given: 2(x + 5) – 3x = 7x-6
prove: x = 2

Aconstruction worker has rope 9 m long he needs to cut it in pieces that are each 3 /5 m long how many such pieces can he cut without having any rope leftover?

Using elimination, what is -4x+2y=-12 4x+8y=-24

Jayne is studying urban planning and finds that her town is decreasing in population by 3% each year. the population of her town is changing by a constant rate.true or false?