rhoumbus that is what I use and got right!!
Step-by-step explanation:
X=7 and y=4 are the correct equations
Answer:
<em>Value</em><em> </em><em>of</em><em> </em><em>p</em><em> </em><em>is</em><em> </em><em>14</em>
Step-by-step explanation:

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Z - 7 = 8
subtract 7 from both sides
z = 15
hope this helped!