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

why was book found in the attic was interesting for Tommy?

how would nepal and maldives suffer if climate change is not controlled on time

Find a. Round to the nearest tenth: а 10 cm 150° 12° a = [? ]cm Law of Sines: sin A sin B 11 sin C sin C С

Which of the following statements about alcohols is false? A. Ethanol is soluble in water. B. Ethanol has a higher boiling point than ethane. C. Ethanol produce

Your school is organising election for a new student . Write a campaign speech

which type of comprehension focuses on who, what, where,when,why

Question 3 When dissolved in water, many bases release which of the following particles? Select one: a. Htions lil b. H2 molecules C. (OH) ions DE d. O molecule

Is true live story about Cynthia

Please help! Greatly appreciated

find locus of a point which moves so thatit's distance from the point (2,1) is double its distance from (1,2)