noah1781
noah1781
02-12-2018
Mathematics
contestada
Solve by substitution 3x+y=5 and 2x-y=10
Respuesta :
charper317
charper317
02-12-2018
3x+5=2x-10
-2x -2x
X+5=-10
-5 -5
X=-15
3(-15)+y=5
-45+y=5
+45 +45
y=50
2(-15)-y=10
-30-y=10
+30 +30
-y=40
Divide by -1 on both sides
y=-40
Answer Link
VER TODAS LAS RESPUESTAS ( 75+ )
Otras preguntas
A cold night is followed by an overcast morning. When this happens, the cool air at the surface and any pollutants it contains is trapped beneath the warm layer
In this activity, you will record advice, in Spanish, for a younger friend or cousin about what profession he or she could pursue based on his or her interests.
Solve (-18^3+17x+6)/(3x+2)
CAN SOMEONE PLEASE HELP ME !
Solve the equation for x. the square root of the quantity x minus 6 end quantity plus 3 equals 10 A. x=1 B. x=13 C. x=43 D. x=55
December 21 is the first day of winter in the northern hemisphere. What season is it in the southern hemisphere? A. Beginning of winter B. Beginning of spring C
Please help asap!!!!!!!!
Number 7 I need help please?!!!
The Philadelphia Police Department regularly stations police officers outside of nuisance bars towards the end of Philadelphia Eagles games to respond to instan
Helpppppp solve it find the area please
