Question

Is (2, -3) a solution of x + 5y = 4?

Answer 1

So for this, plug in 2 into the x variable and -3 into the y variable and solve.

`2+5(-3)=4\\ 2+(-15)=4\\ -13=4`

Since -13 = 4 is a false statement, (2,-3) is not a solution to this equation.