SOLUTION: Is (–2, 1) a solution of 2x -4y = -9?

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Question 1086597: Is (–2, 1) a solution of 2x -4y = -9?
Found 2 solutions by josgarithmetic, ikleyn:
Answer by josgarithmetic(39621) About Me  (Show Source):
You can put this solution on YOUR website!
Is 2*(-2)-4(1)=-9 true ?

Answer by ikleyn(52824) About Me  (Show Source):
You can put this solution on YOUR website!
.
To answer this question, you should substitute x= -2 and y= 1 to the left side; then make calculations and then to compare the result with the right side term.

You can easily do it on your own.

You do not need the tutors' help for it.