Question

10.) system of equations
r+s =-12
4r-6s=12

Answer 1

Solve for r in the first equation

r+s=-12
r=-12-s

Substitute that expression into the next equation where r is

4(-12-s)-6s=12

now you have an equation with one variable, solve for s, then we can use that to solve for r.

Answer 2

I got s=-6

Answer 3

thanks?

Answer 4

I got (-6,-6)

Answer 5

is that right??

Answer 6

looks right to me. =D

Answer 7

thnx