MAE9110GO MAE9110GO

Mathematics

Answered

3x+y=-9
Y=5x+7
Solve the system of linear equations by substitution

Answer :

HOOKKICK6969GO HOOKKICK6969GO

Answer:

x=-2

Step-by-step explanation:

Substitute y=5x+7 into the equation 3x+y=-9

So you will have, 3x+5x+7=-9

3x+5x=8x

8x+7=-9

8x+7-7=-9-7

8x=-16

x=-2

Answer Link

Go Question: Other Questions

GDPR Allows You To Ask Companies (e.g., Social Media, Banks, Employer) What Data They Have On You And Ask For It To Be Deleted.TrueFalse

What Is The Perpendicular Slope Of Y=8x+4 That Has The Same Y-intercept?

Part B: Which Sentence From Malala Yousafzai's Speech Best Supports The Answer To Part A? Question 10 Options: A. "thousands Of People Have Been Killed By The T

What Are Some Benefits Of Buying Drinks And Other Products In Reusable Containers Rather Than Non-refillable Ones? Analyze This Issue From Different Perspective

Assume That The Mean Systolic Blood Pressure Of Normal Adults Is 120 Millimeters Of Mercury (mm Hg) And The Standard Deviation Is 5.6. Assume The Variable Is No

4. A Person Who Studies Or Is An Expert In The Branch Of Medicine Which Deals With The incidence, Distribution, And Possible Control Of Diseases.

I Need Help With This Question

Which Expression Is Equivalent To The Expression Quantity Negative 10 Over 9 Times T Plus 1 Over 8 End Quantity Minus Expression Quantity Negative 6 Over 18 Tim

The Mechanism By Which Antigen-reactive Cells Respond To Foreign Antigens While Ignoring Self-antigens Is Called Clonal A) Selection. B) Deletion. C) Anergy. D)

Estimates Suggest That Approximately _____% Of People In The United States Suffer From A Mental Disorder At Some Point In Their Lifetime.

Consider The Solid That Lies Above The Square R=[0,2]X[0,2] And Below The Elliptic Paraboloid Z=81-x^2-y^2.a.) Estimate The Volume By Dividing R Into 4 Equal Sq

Which Statement Is True About The Two Triangles? A ARFT And AWZS Are Similar By Side-Angle-Side Similarity. B ARFT And AWZS Are Similar By Side-Side-Side Simila