Asked by joann
is (-4,7) a solution of 9x-7y=9
Answers
Answered by
MathMate
Substitute x=-4 and y=7 into the equation.
If the left-hand-side evaluates to 9, then (-4,7) is a solution of the given equation.
Post if more help is needed.
If the left-hand-side evaluates to 9, then (-4,7) is a solution of the given equation.
Post if more help is needed.
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