A box contains five red marbles, seven white marbles, and four green marbles. A student is computing probabilities by drawing ma
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So to solve for y, we need to get y alone on one side of the equation. So we are going to subtract 9x from both sides of the equation to get:
And since y is negative, we are going to divide both sides by -1 in order to make the y positive:
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I'm too tired to explain, here's some digital work on a site called Symbolab:
