How do you determine if (-5, -4) is a solution of $9x - 4y = -6$ ?

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How do you determine if (-5, -4) is a solution of $9x - 4y = -6$ ?

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Answer 1 · 2015-07-03T01:18:44

Substitute $-5$ for $x$ and $-4$ for $y$ . Solve the equation. If both sides are equal, then $(-5,-4)$ is a solution for $9x-4y=-6$ . If the two sides are not equal, then $(-5,-4)$ is not a solution.

Explanation:

$9x-4y=-6$

$9(-5)-4(-4)=-6$

$-45+16=-6$

$-29!=-6$

$(-5,-4)$ is not a solution of $9x-4y=-6$

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How do you determine if (-5, -4) is a solution of $9x - 4y = -6$ ?

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How do you determine if (-5, -4) is a solution of $9x - 4y = -6$ ?