Question

help me please

Answer 1

wt help do u need?

Answer 2

http://openstudy.com/groups/mathematics#/groups/mathematics/updates/4dd1438e52f48b0b0721e8eb

Answer 3

wt dont u understand in the solution?

Answer 4

4(x - 2y + 2z) - (2x + 3y - 2z) for x = -1, y = 3, and z = 5

Answer 5

just substitute x,y,z to the equation

Answer 6

you add them all up

Answer 7

a step by step solution will be:
4[(-1 - 2*3 + 2*5)] - [(2*(-1) + 3*3 - 2*5)]
4[-1-6+10] - [-2 +9 -10]
=4[3] -[-3]
= 12 + 3
=15

Answer 8

did you get it?

Answer 9

so wat you need help on

Answer 10

did you get 15 the right answer?