A bag 30 red marbles and blue marbles. There are 10 red marbles. Write the two equations by Ralph Cox https://padlet.com/y3sr7vjdem/9uigf47xyv8g1xwi write two equations en-us 2022-09-12 12:55:27 UTC 2022-09-13 18:28:14 UTC hello@padlet.com https://padlet-uploads.storage.googleapis.com/732071639/dd4a7610166698d094b2b6fd8d304476/marbles.png https://padlet.com/y3sr7vjdem/9uigf47xyv8g1xwi/wish/2294920957 R+B=30 
R=10]]> 2022-09-13 18:26:44 UTC https://padlet.com/y3sr7vjdem/9uigf47xyv8g1xwi/wish/2294920957 https://padlet.com/y3sr7vjdem/9uigf47xyv8g1xwi/wish/2294921428 r+b=30
10+b=30]]> 2022-09-13 18:27:01 UTC https://padlet.com/y3sr7vjdem/9uigf47xyv8g1xwi/wish/2294921428 https://padlet.com/y3sr7vjdem/9uigf47xyv8g1xwi/wish/2294921519 b+10=30
r=10]]> 2022-09-13 18:27:04 UTC https://padlet.com/y3sr7vjdem/9uigf47xyv8g1xwi/wish/2294921519 https://padlet.com/y3sr7vjdem/9uigf47xyv8g1xwi/wish/2294921573 30=r+b
10=r]]> 2022-09-13 18:27:07 UTC https://padlet.com/y3sr7vjdem/9uigf47xyv8g1xwi/wish/2294921573 bag(x), red marbles(y), blue marbles(z) https://padlet.com/y3sr7vjdem/9uigf47xyv8g1xwi/wish/2294922048 x=y+z
x-y=z]]> 2022-09-13 18:27:25 UTC https://padlet.com/y3sr7vjdem/9uigf47xyv8g1xwi/wish/2294922048 30-10= 20 blue https://padlet.com/y3sr7vjdem/9uigf47xyv8g1xwi/wish/2294922102 10+x=30]]> 2022-09-13 18:27:27 UTC https://padlet.com/y3sr7vjdem/9uigf47xyv8g1xwi/wish/2294922102 30-10r=b / 10r+b=30 https://padlet.com/y3sr7vjdem/9uigf47xyv8g1xwi/wish/2294922345 2022-09-13 18:27:38 UTC https://padlet.com/y3sr7vjdem/9uigf47xyv8g1xwi/wish/2294922345 30=r+b 30=10+b https://padlet.com/y3sr7vjdem/9uigf47xyv8g1xwi/wish/2294922874 2022-09-13 18:27:57 UTC https://padlet.com/y3sr7vjdem/9uigf47xyv8g1xwi/wish/2294922874 10r + b =30 https://padlet.com/y3sr7vjdem/9uigf47xyv8g1xwi/wish/2294923138 2022-09-13 18:28:05 UTC https://padlet.com/y3sr7vjdem/9uigf47xyv8g1xwi/wish/2294923138