emarissawillett emarissawillett

09-01-2020
Mathematics

contestada

-3×+7y=5
-8×+14y=-10
By elimination

Respuesta :

dnnshrzh dnnshrzh

09-01-2020

-3x+7y=5 (x2) -> -6x+14y=10

-6x+14y=10
-8x+14y=-10
——————— -
2x=20
x=20/20
x=1

Susbstitute x=1,

-8x+14y=-10
-8(1)+14y=-10
-8+14y=-10
14y=-10+8
14y=-2
y=-2/14
y=-1/7

I hope it helps

Answer Link

Otras preguntas

how did the arrival of the Spanish impact the natives?

Find the solution to the systems of equations using the elimination method. 2x + 3y = 11 5x + 3y = 14

The first direct relief program provided by the federal government was A. The pension plan to support disabled Union soldiers B. The Freedmen's Bureau forming

Find the missing side length in the right triangle.

(02.01 MC) Which of the following did the idea of the social contract lead the Founding Fathers to believe? that they were justified in seeking independence fr

Being reunited with Penelope is which part of Odysseus’s epic journey? his road of trials his supreme ordeal his transformation his return home

answer number 10 pls answer number 10 pls answer number 10 pls answer number 10 pls answer number 10 pls answer number 10 pls answer number 10 pls answer number

Which of the following effects did the assembly line have on the nature of work in the US?

Solve * 1. n - 4 = 3n + 6 show work

I need help will mark Brainlyest