<PRE><B>Question 808743</B>
m - n = 7
m = n + 7
2m - 3n = 11
---
2(n + 7) - 3n = 11
2n + 14 - 3n = 11
14 - n = 11
Answer:
n = 3
m = 10
---
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
---
Convert fractions, decimals, and percents:
https://sooeet.com/math/fraction-decimal-percent.php
---
Calculate and graph the linear regression of any data set:
https://sooeet.com/math/linear-regression.php</PRE>