Molo23212 Molo23212
  • 18-12-2020
  • Mathematics
contestada

Solve the systems using substitution.

− 2x − 5y = − 5
x = 5y − 20

Respuesta :

meowmeow223334
meowmeow223334 meowmeow223334
  • 18-12-2020
-2(5y-20) - 5y = -5
-10y + 40 - 5y = -5
-15y + 40 = -5
-15y = -45, y = 3
x = 5(3) - 20
x = 15 - 20, x = -5
Solution: x = -5, y = 3... or (-5,3)
Answer Link

Otras preguntas

A sample of discrete, quantitative data is skewed right and has a single outlier on the right side. The lower quartile is 45 and the upper quartile is 87. What
BRAINLYESS What sentence uses the bolded vocabulary word correctly? The colony of sponges behaved uncivilly toward one another as they grew and released their p
HELPPP! I need this done ASAP
Did u get the answer
HELPP PLEASE!! Which is the Latin root meaning "light"? 1. loc, loq 2. luc, lum 3.nov 4. sol
Which expression has a value of two-third
I think it’s b or d but which one would be more correct?
The prom is in need of a floral archway, such as the one below. Segment RC is the perpendicular bisector of segment AH. If AH=6 and RC=2, then determine the dia
14. The illustration below shows two atoms of a fictitious element (M) forming a diatomic molecule. What type of bonding occurs between these two atoms? A. Cova
EMERGANCY! Super confused Explain pls.