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sumomosayuri
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sumomosayuri asked in Science & MathematicsMathematics · 7 years ago

Stuck on math problem?

My text book jumps from one part of the solution to the next without explanation. I'm trying to think BEDMAS, but I'm stumped. Please help.

How did..

3X+4(10-2X)=30

Become..

-5X+40=30

1 Answer

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  • Anonymous
    7 years ago
    Favorite Answer

    3X+4(10-2X) = 30 ->

    3X + 4*10 + 4*(-2X) = 30 ->

    3X + 40 - 8 X = 30 ->

    -5X +40 = 30

    I hope you understand well

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