dyllizzioxk4r2
dyllizzioxk4r2 dyllizzioxk4r2
  • 11-04-2020
  • Mathematics
contestada

Solve by elimination

3x + 5y = -1
7x - 5y = 31​

Relax

Respuesta :

Megan8933
Megan8933 Megan8933
  • 11-04-2020
(3,-2)
Explanation
3x+5y=-1
7x-5y=31
Get rid of y
3x=-1
7x=30
10x=30
X=3
Plug x into one equation

7(3)-5y=31
21-5y=31
-21. -21
-5y=10
Y=-2

Answer Link
brenyil159
brenyil159 brenyil159
  • 11-04-2020
(3,-2)
X, Y
This is the solution for the system of equations
Answer Link

Otras preguntas

2x+3y=0 does it repersent a direct variation if it does whats the constant
What comes first in a book citation? the title publication year the author's name city of publication
Is 3.4 a rational or irrational number? Please explain why, thanks.
How was the cultural identity of the united States changed over time?
Why does Paine say tyranny is like hell
5 1/2 % tax on $20 is
Rocky shores serve as a feeding ground for A. large fish. B. lichens. C. birds. D. sea squirts.
3+1<2x-2<5x+9solve this please
What event led to the fall of the Confederate capital, Richmond, Virginia? A. Lincoln’s assassination B. Grant’s siege at Vicksburg C. Lee’s retreat
What's the antecedent of the play A Doll's House? I have read this play twice and I cannot find it.