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SashulF [63]
3 years ago
8

Help would be appreciated :)

Mathematics
1 answer:
sammy [17]3 years ago
6 0

PEMDAS

When solving an equation we do them in reverse order

AS  adding and subtracting

MD  multiplication and division

E exponents


Basically we are trying to get the variable alone.

12=10-3x

subtract 10 from each side

then divide by -3 on each side


3/5 x -12 = 18

first add 12 to each side

then multiply by 5/3 to each side


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Step-by-step explanation:

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What is 9+9(2+4)÷3-2 equal
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We do what's in the parenthesis first.

9+9(2+4)÷3-2.

2+4=6.

Now our problem looks like this;

9+9(6)÷3-2 
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9+9×6÷3-2.

Anything in a parenthesis with no sign next to it, like this; 8(2), just means multiplication, so it would look like this: 8×2.

Next, we do all the multiplication in our problem.

9+9×6÷3-2.

9×6=54.

Now our problem looks like this;

9+54÷3-2.

Next, we do the division. 

9+54÷3-2

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Now our problem looks like this;

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Next, we do the addition.

9+18-2

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Now it looks like this;

27-2.

Finally, we subtract.

27-2=25.

Your final answer is 25!

Have a nice day! :)
7 0
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