Answer and Explanation:
<em>Solving 3x + 2y = 9 for y gives y = -(3/2)x + (9/2).
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The set is not closed
Example:
-4 * -3 = 12 this is not a negative integer
Find the Greatest Common Factor (GCF)
GCF = 5ab
Factor out the GCF (Write the GCF first. Then, in parentheses, divide each term by the GCF.)
5ab(15a^b/5ab + -10ab^2/5ab)
Simplify each term in parentheses
<u>5ab(3a - 2b)</u>
