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 ( 95+ )
Otras preguntas
the ratio of dogs to cats at the pet store is 1:4.if the pet shop has 7 dogs,how many cats does it have ?
The tension in Europe between the United States and Soviet Union following World War II was escalated with Cuba's involvement because (1 point)
Dorothy types 120 words a minute. how many does Dorothy type in 1.75 minutes?
Can you go 500 kilometers in 8 hours without driving faster than 55mph
what number is 72% of 200
Look at the shaded triangle. Describe two ways of drawing the square design below using any combination of translations, reflections, and rotations of Figure I
what percent of 292 is 73
write a word problem whose solution is (20)=20
Chandraguptra Mayura succeeded in uniting the Indian subcontinent through force. religion. modernization. exploitation.
What did the English Bill of Rights accomplish?
