because there are 12 in one layer and there are 3 layers
Answer:

Step-by-step explanation:
Solve for the value of
:

-Use <u>Distributive Property</u>:


-Take
and add it to
:


-Subtract both sides by
:


-Divide both sides by
:


Therefore, the value of
is
.
1. 2x+7
2. 9
3.11
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A prime number is a natural number greater than 1 that can't be the factory of multiplying two smaller natural numbers.