04-06-2018
Mathematics

contestada

slove the system of equations 3x-7y=5 and 9y=5x+5

Respuesta :

jinc0930 jinc0930

04-06-2018

3x-7y=5

9y=5x+5
-5x+9y=5

3x-7y=-5x+9y
8x=16y
x=16y/8
x=2y

3(2y)-7y=5
-1y=5
y=-5

-5(9)=5x+5
-45-5=5x
x=-10

Answer Link

Otras preguntas

how did the apennine mountains helped rome

If I'm traveling at 60mph and my travel time was 45 minutes; how many miles did I travel?

how did nationalism affect europe after the congress of vienna and 1815

Which of the following are characteristics of the graph of the linear parent function

The science club has m members. The club bought 12 bumper stickers to split among its members. Write an expression that shows how many bumper stickers each memb

James has a job with a current salary of $42,000. He wants to earn a college degree that will take him 2 years to complete and it will cost $28,000 per year. H

Which line from "What to the Slave is the Fourth of July?” supports Douglass’s claim that the Fourth of July is not a cause worthy of celebration by all?

please help me last question

what are the intercepts of the line Y equals 5

What is the answer please help