Keywords
system; linear equations; graphing; solution
we have
-------> equation A
----> equation B
The <u>system</u> of <u>linear equations</u> is composed of equation A and equation B
Substitute the equation B in equation A
Find the value of x
![x=4-2[17/4]=-4.5](https://tex.z-dn.net/?f=x%3D4-2%5B17%2F4%5D%3D-4.5)
The<u> solution</u> is the point 
Using a <u>graphing</u> tool
see the attached figure
therefore
the answer is the option A

Answer:
x = 1 is correct !
Step-by-step explanation:
Answer:
$1.09
Step-by-step explanation:
Henry: 16 increase 9% =
16 × (1 + 9%) = 16 × (1 + 0.09) = 17.44
Ella: 17 increase 9% =
17 × (1 + 9%) = 17 × (1 + 0.09) = 18.53
Difference: 18.53 - 17.44 = 1.09
Answer:
7 inches
Step-by-step explanation: Every 1 inch = 50 miles. So every 50 miles of tunnel is 1 inch in a scale drawing. 350miles/50 miles=7 inches.
The scale drawing is 7 inches.