Answer:
3
Step-by-step explanation:
Answer:
discounted price = original price ( 1 - discount rate)
Step-by-step explanation:
Answer:
Step-by-step explanation:
y + 3 = 7(x - 1)
y + 3 = 7x - 7
y = 7x - 10
Answer:
1 solution
Key:
Assume <em>x</em> is the the range x > 0 ≥ 1, in other words, assume <em>x</em> is equal to 1.
Step-by-step explanation:

<span>7x+9=2(4x+2)
7x+9=8x+4
7x-8x=4-9
-x=-5
x=-5/-x
x=5
</span>