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

Identify what are two other variables in this experiment a student performs an experiment to find out if adding 1 teaspoon of salt to a bubble solution of soap

Give the name of the "lightest" element (has atoms of lowest mass) in group 1a.

what characteristics make Ur an advanced city?

G(x)=3x+2(x+1) evaluate g(7)

Popular magazines and internet sources often use _____ to display information, which tends to confuse rather than clarify information.

Which of the following is not a limbic system structure

PLEASE HELP ME!! 1. A small company did an analysis of their pay scale versus years of experience and found that the line of best fit was y = 2035.6x + 36,000.

A species of rose (plants) lacks thorns. how would biologists explain how a species of rose lacking thorns evolved from an ancestral rose species with thorns?

Where were school classes held for the evacuated children in ww2

what fraction would represent 33 1/3%