Question

Simplify the following expression: 2x − 2y − 5z + 2x + 2y + 3z

Answer 1

All you need to do is add/subtract like terms. Do you know what the like terms are?

Answer 2

2x − 2y − 5z + 2x + 2y + 3z

we cannot add mubers with different variables
so first combine the like terms

2x + 2x -2y + 2y -5z + 3z

Answer 3

yes

Answer 4

okay

Answer 5

So what do you get now ?

Answer 6

4x- 4y- 8z

Answer 7

Nope!

2x+2x = 4x (right)
what is -2y +2y ?
& What is -5z + 3z ?

Answer 8

4x-y-2z

Answer 9

@Muskan thats not right, sorry!

Answer 10

^thats wrong @Muskan

Answer 11

the -2y and +2y cancel each other out and -5z and + 3z is -2z.

Answer 12

Right! :D

so final answer is?

Answer 13

4x-2z?

Answer 14

^correct :)

Answer 15

Yes! good! :D

Answer 16

rite

Answer 17

awesome! :D thanks so much!

Answer 18

Anytime :)