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snowmist69 · Nov 29, 2011, 07:42 PM

2x (300-40divided by 5) -[3*23-(8-2*3)]
I have done this 8 times and just can't seem to come up with the answer.

2x600-8=592 - 69-18=51 I come qith 541
Please someone help me out just tell me what I'm doing wrong.

I have come up with this also
2x 277-15=539 I am so lost:confused:

Unknown008 · Nov 29, 2011, 10:03 PM

You just need to remember the order that operations are to be performed.

$2$300-40\div5$ - [3\times 23 - (8-2\times3)]$

Is that it?

Multiplication and division come before addition and subtraction. We're working within the brackets, so that is okay.

$2$300-8$ - [69 - (8-6)]$

Now that there are only brackets to work with, we do what there is in brackets.

$2$292$ - [69 - 2]$

And the last operations:

$584 - 67$

$517$

For the next one:

$2\times600-8$

Multiply first!

And for the last one:

$2\times 277 -15$

That's good! :)