Answer:
The cost of one hamburger is $3.95.
Step-by-step explanation:
15.80/4=3.95
Answer:
d = 1.5
Step-by-step explanation:
yes
Answer:

Step-by-step explanation:
3p + 4r = q
3p = q - 4r

You answer is 3 and here's why...
7x + 5 - 3x - 7 = 10
First you must collect like terms
And that gives us
4x - 2 = 10
Next you must simplify by removing additives
4x - 2 + 2 = 10 + 2
4x = 12
Now you must divide
4x/4 = 12/4
x = 3