solve by substituion

20x+40y=240.00
10x+80y=300.00

Question

solve by substituion

20x+40y=240.00
10x+80y=300.00

anonymous · Answer

@satellite73 
@ganeshie8

anonymous · Answer

x=6
y=3

anonymous · Answer

i know that i solved it by using elimination

anonymous · Answer

but i dont know how to solve it by using substitution

anonymous · Answer

kk

rishavraj · Answer

Substitution method includes ...... see u need to get the value of one variable in terms of the other one from one of the given equations....and then plug tht value in the other equation

anonymous · Answer

@Ms-Brains

ms-brains · Answer

Hi. :) 
Maybe try using Cymath.com or Wolframalpha.com  and they will help you get the answer you are looking for. :)

anonymous · Answer

thank you @Ms-Brains

ms-brains · Answer

No problem! :) Glad I could help.

simplymarie_x · Answer

All you have to do to solve by substitution is isolate one of the variables and then plug it in.

anonymous · Answer

i dont know how to solve by substituition.
i only know how to substitute if there was just a x

anonymous · Answer

like if the problem was 
20x+y=240,00
10x+80y=300,00

anonymous · Answer

i could solve that

simplymarie_x · Answer

I'm having internet issues, I apologize. I'm going to draw it out so it's easier to explain.

anonymous · Answer

okay thank you

mrcoolguy · Answer

$\Huge\cal\color{blue}{nice~job~guys}$