smockdog7
smockdog7
14-10-2017
Mathematics
contestada
x+2y=23
5x+10y=55
solve please
Respuesta :
kcecil
kcecil
14-10-2017
X+2y=23
X=-2y +23
Plug this in for x in the second equation
5(-2y + 23) + 10y = 55
-10y + 115 + 10y = 55
The -10y + 10y cancel out, so there is no solution
Hope this helps!
Answer Link
VER TODAS LAS RESPUESTAS ( 59+ )
Otras preguntas
Activated charcoal removes fine particulates, as well as lead, mercury, copper, and chlorine from water through a separation process called: adsorption di
Which statement best describes how reproduction leads to natural selection in a population?
A common theme in Wilder's major works is his belief that man has ______.
Does a window air conditioner pull air from outside
What could be done to change this carbide ion to a neutral carbon atom? remove 2 electrons add 2 electrons remove 4 electrons add 4 electrons
Factor completely. 9x2 + 9x -28
Supporters of the Sherman Antitrust Act of 1890 believed that regulation of
What happened during the victorian age? answers?
suppose you have to read two different books on world war 2 and each book has different arguments about how the war started. which of the following best describ
When a dyad becomes a triad, the third member can gain tremendous power. which role involves playing one member against the other for his or her own advantage?