Math project~ multi-step equation

Math project~ multi-step equation

Storyboard Text

  • Could you help me with multi-step equations?
  • 28-7x<-4(-7x-7)
  • oh! Hello Sally.
  • sure.
  • 28-7x<-4(-7x-7)
  • For this problem the first step is to use distributive property and multiply the numbers in the parenthesis by -4.
  • 28-7x < -4(-7x-7) 28-7x < 28x-28
  • After that you are going to add 7 to the variables of x
  • 28-7x < -4(-7x-7) 28-7x < 28x-28 +7x +7x 28 < 35x+28 
  • Next you need to subtract 28 from both sides underneath each constant number
  • 28-7x < -4(-7x-7) 28-7x < 28x-28 +7x +7x 28 < 35x+28 -28 -28 0 < 35x
  • Last you need to divide the two remaining numbers by 35
  • 28-7x < -4(-7x-7) 28-7x < 28x-28 +7x +7x 28 < 35x+28 -28 -28 0 < 35 0/35=0 35x/35=x
  • Therefore, X=0 !!! Yay! we're done.
  • X=0
Over 20 Million Storyboards Created
Storyboard That Family