SOLUTION: 2m + n = 1
m - n = 8
Algebra.Com
Question 180671This question is from textbook Algebra 1
: 2m + n = 1
m - n = 8
This question is from textbook Algebra 1
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
There are 2 equations and 2 unknowns,
so it is solvable. If there were more
unknowns than equations it would be
unsolvable
(1)
(2)
Just add the equations
Divide both sides by
As long as I do the same thing to both
sides, the equation is still true.
Put back into (2)
Subtract from both sides
Multiply both sides by
The solution is and
RELATED QUESTIONS
m/n -... (answered by Cromlix)
2m-5n/n+3p
m=-2
n=4... (answered by Fombitz)
-4(1-2m+n) (answered by RAY100)
solve by substition method.
2m+n=1... (answered by rfer)
Solve... (answered by math-vortex)
Evaluate 2m -5n/n+3p if m = –2, n = 4, and p =... (answered by rmromero)
Evaluate 2m-5n/n+3p
if m = –2, n = 4, and p =... (answered by jayanthihemkos@yahoo.com)
Evaluate 2m-5n/n+3p if m = –2, n = 4, and p = –1.
(answered by praseenakos@yahoo.com,checkley71)
2m-5n divided n+ 3p if m =-2 n= 4 and... (answered by jim_thompson5910)