Posted by **upbeat** on Tuesday, July 20, 2010 at 12:35pm.

solve by the substitution method

2m+n=9

m-6n=50

the solution is (___,___)

- substitution method -
**Henry**, Tuesday, July 20, 2010 at 3:38pm
1. 2m + n = 9

m - 6n = 50

Using Eq.1, solve for n:

n = 9 - 2m

Substitute 9 - 2m for n in Eq. 2:

m -6(9 -2m) = 50

Solve for m:

m - 54 + 12m = 50

m = 8

Substitute 8 for m in Eq. 1:

2(8) + n = 9

n = -7.

Solution: m = 8, and n = -7.

- substitution method -
**dawn**, Monday, November 8, 2010 at 11:52pm
x=8-4y,3x+5y=3

## Answer This Question

## Related Questions

- substitution method - solve using the substitution method 8x+6y=8 -9x+y=22 The ...
- substitution method - solve using the substitution method 6x+2y=-14 -5x+y=25 The...
- substitution method - solve using the substitution method 8x -9y= -95 5x+64=y ...
- Elimination Method Help - solve by the elimination method 5x+5y= -7 7x-3y=19 The...
- Algebra 1 - bobpursey, In this problem you helped me with earlier: Solve using ...
- Substitution Method-Plz help - Use the Substitution method to solve the system ...
- substitution method - Solve by substitution method please help me solve this. I ...
- Linear Equations - Can you please help solve this equation using the ...
- Algebra 116 - 1. The perimeter of a rectangle is 126 m. The length is 6 m more ...
- calculus - Leave any unneeded answer spaces blank. [Hint: use synthetic division...

More Related Questions