X^2/2 = 7x
x^2 = 14x
x^2 - 14x = 0
A quadratic equation is of the form ax^2 + bx + c
Therefore, in 3x^2 + 5x + 7, c = 7
Answer: R=8
Step-by-step explanation: R-7=1, R+7=1+7, R=8.
Answer:
6r+7=13+7r
6r+7=7r+13
6r+7−7r=7r+13−7r
−r+7=13
−r+7−7=13−7
−r=6
= 
r=−6
Step-by-step explanation:
:) This is the answer
if you are looking for the solution then is <em>Infinitely many solutions</em>
Answer:
$408
Step-by-step explanation:
15+19=34
34×12=408
Total cost of order $408