The sum of 7 and 3 times a number is 34.
What is the number?

Step-by-step explanation:

3 times a number -- 3 * n

Sum -- add

Sum of 3 times a number and 7 -- 3n + 7

2 times the number -- 2 * n

Now, let's put it all together:

3n + 7 = 2n

Combine like terms by subtracting '3n' on both sides:

7 = -n

Divide by -1 to get 'n' by itself:

n = -7

square root

step-by-step explanation:

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.

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