Question

Plz show work 3(10-x)=21

Answer 1

X=3 because if you divide 21 and 3 you get 7 and in order to change the ten to a 7 you have to subtract it by 3. so x=3

Answer 2

Answer:

x = 3

Step-by-step explanation:

3(10-x)=21

30-3x=21

-30      -30

-3x=-9

x=3