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4n-5=3n+2

subtract 3n from each side

4n -5 -3n = 3n +2 -3n

n -5 = 2

add 5 to each side

n-5+5 = 2+5

n = 7

To solve a equation with a variable, you need to get the variable alone.  I got the variable on the left hand side and the constants on the right hand side

associative property of multiplication

if the pizza is divided equally into 2 equal halves then you would get

πr^2/2

where r is the radius of the pizza.

happy to

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