The given system of equations is:
y = 4x − 3 ...(1)
2x + 7y = 41 ...(2)
Notice that the first equation is a solved equation for y. So, we can simply substitute 4x-3 for y in equation (2) to solve. This method is also knwon as substitution method by which we can plug in one equation into other equation.
So, if we will substitute y=4x-3 in equation (2) then we will get,
2x+7(4x-3)=41
Hence, third choice 2x + 7(4x − 3) = 41 is the correct answer.
-86x + 4 for the original answer
Answer:
H. 
= 5.7 inches
Step-by-step explanation:
1) Because you multiply the length and the width to get the area, you just need to find the square root of the area.
When you look for the square root of 32, it is 5.6....
Round up and you get 5.7 inches which s the length of one side.
Therefore, H. is the correct answer.
The value of n in 1/5n+3/5n=7/9 is 35/36
<h3>How to solve the equation?</h3>
The equation is given as:
1/5n+3/5n=7/9
Multiply through by 5
n + 3n = 35/9
Evaluate the sum
4n = 35/9
Divide both sides by 4
n = 35/36
Hence, the value of n in 1/5n+3/5n=7/9 is 35/36
Read more about equations at:
brainly.com/question/723406
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