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15 February, 07:20

An equation is shown below. 3x-10x+5=5x+17 what is the value of x that makes the equation true?

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  1. 15 February, 08:40
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    collect like terms;

    3x-10x=-7x

    -7x+5=5x+17

    move the variable to the left and change sign

    -7x+5=5x+17

    move the constant to the right and change sign

    -7x-5x+17-5

    collect the like terms

    -12x=17-5

    subtract the numbers

    -12x=12

    divide both sides by - 12

    your answer is: x = - 1
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