Answer:
101
Step-by-step explanation:
final cups present-(cups added+cups two guest served)
4(5x-20)= -20
20x-80= -20
+80 +80
____________
20x=60
_______
20
x=3
Answer:
-12(2k-10)
Step-by-step explanation:
You divide each term by -12, and then put -12 outside of the parenthesis. The parenthesis contain the new equation you just created.
2(x + 7) = 36 |use distributive property
(2⋅x)+(2⋅7)=36
2·x+2·7=36
2x + 14 = 36
2(x + 7) = 36 |:2
x + 7 = 18
Answer (bold expressions).
