matokiwasssup matokiwasssup

13-03-2018
Mathematics

contestada

x+y= -9
x+2y= -25

According to the system of equations above, what is the value of y?

Respuesta :

evgeniylevi evgeniylevi

13-03-2018

Try this option:
if x+y=-9 is I (one)
and x+2y=-25 is II (two), then
if II-I, then (x+2y)-(x+y)=-25+9 ⇔ y=-16.

Answer Link

Otras preguntas

Create c++ programming language project about destination matchmaker

Common Tasks for Financial Analysts

Two marathon runners leave the starting gate, one at 16 mph and the other at 12 mph. If they maintain the pace, how long will it take for them to be 1/3 of a mi

How does the text feature help the reader better understand David Livingstone's story as it is told in into the unknown by Stewart Ross?

If an object has a mass of 5 kilograms on Earth, what would be its mass on the moon

write all tatios in their simplest form .... to make a certain drink, you need to mix 200mL of concentrate with1,2L of water . determine the ratio of convetrate

How did the outcome of the Eisenhower Administration's intervention in Guatemala compare with the outcome of America's intervention in Iran? a)Neither country

How does he want this to influence his readers? zen and the art of motorcycle maintenance

On considère la fonction définie sur ℝ par la relation () = −49 2 + 98 + 51 a) Vérifier que :() = (7 + 3)(17 − 7) .

what do you think are the rights as students