Replacment set 0,1,2,3,4 solve 6x-9=15.

6x-9=15, so what you want to do is plug in 4 in for "x" and that will give you 24 so the the equation will be 24-9=15. SO "x" equals  4.

answer: (c) m∠qpo + (2x + 16)° = 180°

step-by-step explanation:

the opposite angles of a quadrilateral are supplementary.

so, ∠o + ∠q = 180°   and   ∠p + ∠r = 180°

since ∠r = 2x + 16°, we can use substitution as follows:

∠p + ∠r = 180°

∠p + (2x + 16)° = 180°

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step-by-step explanation: