Izab15
Izab15
02-11-2017
Mathematics
contestada
Elimination
4x+5y=-15
-3x-2y=13
Respuesta :
Dreamer4102001
Dreamer4102001
04-11-2017
multiply the first equation by 3 and tge second by 4:
12x+15y=-45
-12x-8y=52
then add the equations:
0x+7y=7
7y=7
y=1
so 4x+5(1)=-15
4x+5=-15
4x=-20
x=-5
Answer Link
VER TODAS LAS RESPUESTAS ( 41+ )
Otras preguntas
An air parcel at 28 degrees Celsius at sea level with a lifting condensation level of 1500m calculate its temperature at 1000m use a DAR of 10 degrees Celsius p
Long division of 39486400 by 575???
an economic system in which the market largely determines what products get produced, who gets them, and how the economy grows is a economy.
6x + 4y = 36 when x = 3 and y = 4 explain the solution satisfies the open sentence
Climate change may be harm for us justify?
2. The combustion of octane is -47.5 kJ/g. a. Write the reaction for the combustion of octane. b. What is the value of the enthalpy of combustion for octane per
just need the bottom answer I’ll give Brainly please!
Calculus 1 question
Express each of the following numbers in exponential notation:SHOW YOUR WORK1) 10,0002) 0.00013) 10,000,000,0004)0.000 000 000 000 0015)400,000
for the given functions f and g,find the composition please help
