Answer is: 2x=12, 14, 16, and 18
10 is the answer
why are you struggling
so simple
<h2>
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9x5=45 the building would be 45 feet tall
Assuming your solving for y:
py+7=6y+q
-6y -7 -6y -7
(p-6)y = q-7
divide both sides by p-6
y=(q-7)/(p-6)