Web Analytics

Verified Answer :

shrexy
  1. |b/5|=1 take the equation out of the absolute value
    b/5=1
    5 5 multiply both sides by 5
    _____
    b=5

    2. 2-5|5m-5|=-73 get rid of what's outside the absolute value first
    -2 -2 subtract 2 from both sides
    ____________
    -5|5m-5|=-75
    ÷-5 ÷-5 divide both sides by -5
    __________
    |5m-5|=15 take the equation out of the absolute value
    5m-5=15
    +5 +5 add 5 to both sides
    _______
    5m=20
    ÷5 ÷5 divide both sides by 5
    _____
    m=4

    3. |7p+4|/8=3
    8 8 multiply by 8
    __________
    |7p+4|=25 take out the equation
    7p+4=25
    -4 -4 subtract 4
    _______
    7p=20
    ÷7 ÷7 divide by 7
    ______
    p=20/7

    4. 5-8|-2n|=-80
    +5 +5 add 5
    __________
    -8|-2n|=-80
    ÷-8 ÷-8 divide by -8
    ________
    |-2n|=10 take out equation
    -2n=10
    ÷-2 ÷-2 divide by -2
    ______
    n=-5

    that took forever to type lol :^)