Sunday

September 21, 2014

September 21, 2014

Posted by **Jennifer** on Wednesday, May 30, 2012 at 10:04pm.

7r - 5s = 36 and 5r + 7s = 68

- Mat 116 -
**Reiny**, Wednesday, May 30, 2012 at 11:43pmfirst by 7 -----> 49r - 35s = 252

second by 5 --> 25r + 35s = 340

add them

74r = 592

r = 8

sub back into one of the original equations to find s

**Answer this Question**

**Related Questions**

mat 116 - identify the solution(s)of the system of equations, if any -2x-4y=1 ...

Mat 116 - Solve for m p=4m+4v the solution is m=

Mat 116 - Solve using multiple principle. 7x=-56 The solution x= -8 or x= 7(-8...

mat 116 - solve for x using the addition principle. x + 6 = -8 What is the ...

Mat 116 Final - x+3y=6 I did it like x + 3y = 6 ____________ x*(-1) +3*(2) ?6 -1...

MAT 116 - The perimeter of a rectangle is 28 ft. The length is 10 ft longer than...

Math 116 algebra please check - Solve the following system of equations x + 6y =...

mat/116 - Thanks you guys for the past help, but I am stuck on this line ...

Mat 116 Algebra 1A - 7[3m-(m+2)]>-6(m+3) Use set-builder notation to ...

algebra - math question: you want to mat and frame a 5x 7 photograph. The ...