daivikraj872 daivikraj872
  • 24-04-2020
  • Mathematics
contestada

Please Help Fast!!! 20 points


Solve the system of equations: y−x=20 2x−15y=−1

Relax

Respuesta :

Аноним Аноним
  • 24-04-2020
isolate y: 2x-15(20+x)=-1
isolate x: 20-23 = -3
substitute: x = -23
answer: (-23, -3)
Answer Link
ryanbarham128 ryanbarham128
  • 24-04-2020

Answer:

x= 15y - 1

---------------------

         2

Step-by-step example

you should use cymath it help with equations

Answer Link

Otras preguntas

Help pls I will get a hit if I don’t
tectonic plates collide, causing Earth's crust to wrinkle without breaking when?
If 5a – 3b = 7 and b = 2a –4, what is the value of a?
Anyone mind helping me! ( The selected answer was chosen on accident!)
So, which one is the answer? ​
HURRY ILL MARK BRAINLIEST Two​ trains, Train A and Train​ B, weight a total of 510 tons. Train A is heavier than Train B. The difference of their weights is 318
Please only do #14 Algebra graphing
una palmera de 17 metros de altura se encuentra sujeta por dos cables de 21m y 25m respectivamente. En la figura se pide calcular la distancia AB.
1.5+r=3 show work and soultion​
3. An effective summary is characterized by (5 points) - an explanation of the reader's personal opinion -repetition of words from the original text -inclusion