Solve for x

x/4 - 3 = 0

Step-by-step explanation:

x/4 - 3 = 0

x/4 = 3

x = 12

12

Step-by-step explanation:

x/4-3 =0 /×4

x - 12 =0

x=12

555.99.

step-by-step explanation:

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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°