Respuesta :

zinnia30

Answer:

13x+21

Step-by-step explanation:

20+10x+1+2x+x

Combine like terms.

10x+2x+x+20+1

add.

13x+21

we cannot add those two.

so thats the answer!

13x+21

HOPE I HELPED

PLS MARK BRAINLIEST  

DESPERATELY TRYING TO LEVEL UP

✌ -ZYLYNN JADE ARDENNE

JUST A RANDOM GIRL WANTING TO HELP PEOPLE!

                PEACE!

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