OsamaAMS
OsamaAMS
24-03-2018
Mathematics
contestada
9x+10y=29
10x+9y=28
Solve by elimination
Respuesta :
edyg144
edyg144
24-03-2018
[tex](9x + 10y = 29)9[/tex]
[tex](10x + 9y = 28) - 10[/tex]
[tex]81x + 90y = 261[/tex]
[tex] - 100x - 90y = - 280[/tex]
[tex] - 19x = - 19[/tex]
[tex]x = 1[/tex]
[tex]9(1) + 10y = 29[/tex]
[tex]9 - 9 + 10y = 29 - 9[/tex]10y=20
y=2
Answer Link
VER TODAS LAS RESPUESTAS ( 71+ )
Otras preguntas
Would all pigs in a litter have the same father? what about non identical human twins or triplets
The recurrence of a pattern of stressed and unstressed syllables is
An advertising agency receives _____ percent of the client's media expenditures
What is the difference between mainstream smoke and sidestream smoke?
What was an idea about racial segregation in the united states stated by fidel castro?
How did the reagan presidency affect americans both at home and abroad?
Sla has 73 students and is praying for 100 next year. what is the percent increase?
A substance whose water solution does not conduct an electric current is called an
Which of the following represents the highest level of DNA organization?
From a resting place, a bushwalker hikes due north for 1.5km to a waterhole and then on a bearing of 315° for 2km to base camp. a Find how far west the base cam
