8th grade math in pre-algebra

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6(2x+3)=42

  • 8th grade math in pre-algebra -

    6(2x+3)=42

    12x + 18 = 42

    12x = 42 - 18

    12x = 24

    x = 24/12

    x = 2

  • 8th grade math in pre-algebra -

    a cabinet has shelves that are 12 1/2in.apart.on one shelf,katherine stacked a CD player that is 4 5/8 in. high on top of an amplifier that is 6 3/4 in.high. how much space was shace was left above the CD player?

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