Answer:
Step-by-step explanation:
7x + 3= 24
7x= 24-3
7x= 21
x= 21/7
x= 3
Then we have that
5-4x
5-4(3)
5-12
Answer= -7
Answer:
X=36
Step-by-step explanation:
3x+72=180
3x=180-72
3x=108
x=36
Twenty percent of $35 is 0.20($35) = $7. The discount is $7.
