deeannarod
deeannarod
01-08-2017
Mathematics
contestada
Solve for x and y: 7y−5x=31 & x=4−2y
Respuesta :
sergibcnusa
sergibcnusa
01-08-2017
7*y - 5*(4-2y) = 7y - 20 +10y = 17y-20 = 31,
y =3, x = -2.
Weird 20 min without answer!
Answer Link
nia7701
nia7701
01-08-2017
y =3 x=-2 hope it helps
Answer Link
VER TODAS LAS RESPUESTAS ( 95+ )
Otras preguntas
Jonathan has been on a diet since January 2013. So far, he has been losing weight at a steady rate. Based on monthly weigh-ins, his weight, w, can be modeled by
NaOH + H2SO4 =NaOH + HNO3 =Cu(OH)2 + HCl = H2SO4 = HNO3 =
what does the agora tell us about the culture of athens?
An oscillator makes four vibrations in one second. What is its period and frequency?
Work out the number that is halfway between 27 times 38 and 33 times 38.Show your working out aswell.
what is the answer to this question -√(12)+5√(75)
In a sale, normal prices are reduced by 12% The sale price of a digital camera is £132.88 Work out the normal price of the digital camera (3marks)
What are three interesting facts about Susan B. Anthony's childhood ?
An oscillator makes four vibrations in one second. What is its period and frequency?
which of the following suffered most from DDT poisoning in the great lakes region
