Question 825044: Roger has twice as many sweets a dan. If Roger gives dan 5 sweeets he will have 5 more sweets than Dan. How many sweets does Dan have? Answer by TimothyLamb(4379) (Show Source):
You can put this solution on YOUR website! ---
x = roger
y = dan
---
x = 2y
x - 5 = (y + 5) + 5
---
put the system of linear equations into standard form
---
x - 2y = 0
x - y = 15
---
copy and paste the above standard form linear equations in to this solver:
https://sooeet.com/math/system-of-linear-equations-solver.php
---
solution:
x = roger = 30
y = dan = 15
---
Solve and graph linear equations:
https://sooeet.com/math/linear-equation-solver.php
---
Solve quadratic equations, quadratic formula:
https://sooeet.com/math/quadratic-formula-solver.php
---
Solve systems of linear equations up to 6-equations 6-variables:
https://sooeet.com/math/system-of-linear-equations-solver.php
