X=3 because you subtract the three on both sides to get x alone. So you get: 7x=21 then you divide seven by 21 and get x=3
Answer:
A
Step-by-step explanation:



This option works
S= 13/5 is the answer
I hope it’s help u !
Answer:
3.5
Step-by-step explanation:
(11+21)-(3-101)=(11+21-3-10=(11-3)+(21-101=8-18=53