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Math Help - Simple Algebra help needed

  1. #1
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    Simple Algebra help needed

    Simple Algebra help needed-sdasda.jpg

    Will be honest it may be that my IQ is low or i don't know what but i cant even finish this simple maths exercises and i need to hand them in tomorrow. What i have to do is make the same exercises with different numbers to show that i have understood the subject which i didn't . If someone find this easy and could help you would make a sad panda happy over here cheers!
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  2. #2
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    Re: Simple Algebra help needed

    let X= to number and then follow the text
    Example 19. 4X+6=50
    Solve for X
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  3. #3
    MHF Contributor

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    Re: Simple Algebra help needed

    A couple more:

    #17 "Four more than three times a number"
    "Three times a number is 3a (I have called 'the number' a) and "four more than" that is 3a+ 4. Since that "is 13", the equation is 3a+ 4= 13.

    #22 "If four is subtracted from twice a number"
    Calling the number "x" this time, "twice a number" is 2x and four subtracted from that is 2x- 4. "Ten less than the number" is x- 10 so, 2x- 4= x- 10.
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