Question

7x+11x
12y-5y+19
3t+6z-4t+9z+z
19mn+6x^2+2nm
5x+3(x+1)+2x-9
Simplify each expression

Answer 1

Answer:

18 x

7 y+19

-t+16 z

6 x^2 +21 m n

10 x - 6

Step-by-step explanation:

Add the coefficients

Subtract the coefficients

Combine like terms

Combing like terms

Distribute the three into the parenthesis then combine the like terms.

Answer 2

Look at the attached picture ⤴

Hope it will help u........