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Let the number be x
X *8 = 8x
8x-66= twice of the number
8x-66=2x
-66=2x-8x
-66=-6x
Divide both sides by -6
X=11
Answer:
Parenthesis, Exponents (& roots), Multiplication, Division, Addition, Subtraction.
This is the order you use when you need PEMDAS. For example, in this question:
(2 * 3) + 5(3)
First, you solve the parenthesis: 2 * 3 = 6
Next, you solve for multiplication: 5(3) = 15
Finally, you add: 6 + 15 = 21
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<span>the volume of a cylinder is 80pi cubic inches; if the radius is 4 in. find the height</span>
