Question

Simplify
2x-2y+3z-2x-y+2z = ?
A.) 4x - 3y + 5z
B.) -2y - 3y + 5z
C.) -2x - 3y + 6z
D.) -3y + 5z
i come up with 5z-3y

Answer 1

Combine like terms.
Like terms are terms that have the same variable part.
For example, 2x and -2x are like terms. They can be combined together.

Answer 2

so A or D?