how do you solve 9x+8y=11 for x and y

3 answers

You need two independent equations to get unique values for x and y.
the problem asks if (1,-6) is a solution to this equation and this is all it gives me
Well that is a help!
(1,-6)
and
9x+8y=11 for x and y
well now
9(1) +8(-6) = 11 ? or not?
9 - 48 = 11 ? NO WAY