kadinmorgan
kadinmorgan
24-05-2018
Mathematics
contestada
y=4x+3
y=-2x-9
solve for substitution
Respuesta :
TheBreeze
TheBreeze
24-05-2018
To solve this, we multiply the second equation by -2:
y = 4x+ 3
-2y = 4x + 18
Subtract:
y = 4x + 3
-(-2y = 4x + 18)
3y = 15
y = 5
Input this:
5 = 4x + 3
4x = 2
x = 1/2
(1/2, 5)
Answer Link
VER TODAS LAS RESPUESTAS ( 91+ )
Otras preguntas
In the following sentence, the quotation marks have been removed Determine whether the sentence contains a direct or an indirect quotation: If it's possible, an
Simplify. [7m + 3n - 9 + 2m] + [n + 3 + m + 3n - 6]
Many immigrants to the U.S during the last quarter of the twentieth century had escaped by boat from which communist country? A. Vietnam B. West Germany C.
Which of the following investment plans best reflects diversification? Ben has an investment portfolio with numerous stocks and futures. Kenya invests in stoc
The French and Indian War was a result of tensions between which two groups of people?
The circumference of a circle is 56.52 meters. What is the radius of the circle?
jacob has m nails and twice as many bolts as nails. he buys another 20 nails and 30 bolts. find the total number of nails and bolts Jacob has now
What are some common things people do for a living in a complex civilization?
A college student could take an elective course that inspires him or her to study a secondary field which is I called
Which trials found thousands of Nazis guilty of war crimes? A) McCarthy Hearings B) Scopes Trial C) My Lai Courts Martial D) Nuremberg Trial
