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Dominik [7]
3 years ago
8

How do you simplify the expression 7 - 2(2 + 5) -8?

Mathematics
2 answers:
Gala2k [10]3 years ago
8 0
7-2(2+5)-8
7-2(7)-8
5(7)-8
When there is a bracket it means, you are supposed to multiply the number in front of it with the number in the bracket. So....
5 x 7 -8= 35-8
            = 27

Thus the answer is 27
krek1111 [17]3 years ago
7 0
7 - 2 (7) -8
7 - 14 - 8
7-14= -7
-7 - 8 = - 15
May have messed this one up
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Simplify 8 + (3^2 - 4)
wel

Hey there!

In order for you to solve this equation you could do PEMDAS, which is ↓

  • Parentheses
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  • Subtraction

In this particular equation we have ↓

  1. Parentheses
  2. Exponents
  3. Addition
  4. Subtraction

So, the first thing we need to do to solve this equation is solve  what is in the parentheses

(3^2 - 4)

Nextly, we have to do the exponents

3^2

So, let's solve the parentheses & exponents

3^2 =  9

We could now "remove" the parentheses

9 - 4 = 5

Now we could move onto the last step, which is addition

8+5 = 13

\boxed {Answer: 13}

Good luck on your assignment and enjoy your day!

~LoveYourselfFirst:)

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