math

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(10x+2)-(x-10) simplified please!
Thank you,please show the work!

  • math -

    We've answered other similar problems for you. Now it's your turn.

    I'll be glad to check your answer.

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    Im not sure what step to do first....

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    Subtract x from 10x.

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    is x minus 10x = 9 because i replaced x with one

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    mrs sue is one the answer?

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    10x - x = 9x

    Now add 2 + 10

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    2+10=12

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    i got 2+10=12 ms sue

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    Right.

    The entire answer is 9x + 12

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    really! i didn't know it was that simple.if i do another ine will you check my answer please?

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    Sure.

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    is (10x+2)+(x-10) equal 9x-10 ms sue?

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    No. Look at your signs. Please try again.

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    is it 11x+12 or 11x-12 or am i totally wrong?

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    11x+12 or 11x-12 or am i totally wrong?

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    +2 - 10 = -8

    http://www.mathematic.ws/wp-content/uploads/2009/04/number-line.png

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    what is the whole answer?

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    ms sue whats the entire answer?

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    11x - 8

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    Are their any easy ways to do these types of problems because im still a little confused and i have 14 problems still left to do

  • math -

    Adding and subtracting negative numbers seems confusing to you. Study these sites.

    http://www.mathsisfun.com/positive-negative-integers.html

    http://www.khanacademy.org/math/arithmetic/addition-subtraction/v/adding-negative-numbers

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    Thank you mrs sue

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    You're welcome, t.

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