Answer:
-76
Step-by-step explanation:
2x+1=13 x=6 so an ok answer would be: 2x+10=40 x=15
I think the us 1 1/3. 2/3 x 2/1=4/3=1 1/3. Hope it helps and I hope it right.
Answer:

Step-by-step explanation:

Distribute negative ( - ) sign through the parentheses



Hope I helped!
Best regards! :D