SOLUTION: Solve each system by elimination 3m+4n= -13 3m+6m= -19

Algebra.Com
Question 162974This question is from textbook Algebra 2
: Solve each system by elimination
3m+4n= -13
3m+6m= -19
This question is from textbook Algebra 2

Answer by checkley77(12844)   (Show Source): You can put this solution on YOUR website!
3m+4n= -13
-(3m+6[n]= -19) assuming the second term is suposed to be an n not an m.
---------------- subtract the second from the first equation.
-2n=6
n=6/-2
n=-3 Answer.
3m+4*-3=-13
3m-12=-13
3m=-13+12
m=-1/3 Answer.

RELATED QUESTIONS

Solve each system of equations. check by substitution 4m + n = 17 3m - 4n =... (answered by MathLover1)
{{{ 3m^4n^(-7)/ 6m^2n^(-2)... (answered by richwmiller)
-15 + 6m + 5 - 3m =... (answered by jim_thompson5910)
solve by substitution 3m + n =1 m - 4n =... (answered by LarissaRichardson)
what is 6m-4n+3m-2n please im so... (answered by Mathtut)
Please Help. Use elimination to solve each system of equations. 3M-N=26 -2M-N=-24 (answered by checkley77)
solve by elimination 3k + 7m = 16 4k - 3m = 9 (answered by mananth)
3m^2 – 6m =... (answered by vleith)
m+5n-(3m+4n) (answered by xcentaur)