MATH

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THE DIFFERENCE BETWEEN TWO NUMBERS IS 16. FIVE TIMES THE SMALLER IS THE SAME AS 8 LESS THAN THREE TIMES THE LARGER. FIND THE NUMBERS? HOW DO YOU SOLVE THIS? PLEASE.

  • MATH -

    two numbers: x,y
    x-y=16
    5y=8-3x

    u have to solve this system

  • MATH -

    HOW DO YOU SOLVE 5Y=8-3X? (BIG HELP)

  • MATH -

    L1: x-y=16
    L2: 5y=8-3x

    in L1: x=16+y

    so in L2 : 5y=8-3*(16+y)=8-48-3y
    so 8y=-40
    y=-5

    in L1 : x-y=16
    x-(-5)=16
    x=11

    if u don't understand this, u have to read your math lesson

  • ALGEBRA -

    THE PRICE OF A SWEATER IS $5 LESS THAN TWICE THE PRICE OF A SHIRT. IF FOUR SWEATERS AND THREE SHIRTS COST $200, FIND THE PRICE OF EACH SHIRT AND EACH SWEATER? HOW DO YOU SET UP THIS PROBLEM?

  • MATH -

    x=price of a sweater
    y=price of a shirt

    the system is: x=2y-5
    4x+3y=200
    so try to solv the system

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