Can someone help me solve this algebra problem?

Can someone please help me solve this:

-5(1-5x)+5(-8x-2)=-4-8

I have no idea how to do it...can you guide me through the steps too?

1 Answer

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  • 9 years ago

    -5(1 - 5x) + 5(-8x - 2) = -4 - 8

    remember that multiplying two negative numbers equals a positive number:

    (-5)(-5x) = +25x

    -5 + 25x - 40x - 10 = -12

    combine the like terms

    (25x - 40x) - 5 - 10 = -12

    -15x - 15 = -12

    add 15 to both sides of the equation

    -15x - 15 + 15 = -12 + 15

    -15x = 3

    divide both sides of the equation by -15

    x = 3/-15

    factor out a 3 on the right side of the equation

    x = -1/5 <====

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