Question

Add the two expressions.

3z−4 and 2z + 5

Enter your answer in the box.

Answer 1

5z+1

Explanation:

(3z-4)+(2z+5)

3z-4+2z+5

3z+2z-4+5

5z-4+5

5z+1

Answer 2

5z+1

Explanation:

3z-4+2z+5

Group like terms

3z+2z+5-4

Simplify

5z+1