4* 2 + 28x + 49 = 5
  8 +  28x + 49  = 5
       28 + 57      = 5
           - 57         -57
———————————
         28x   = - 52
      ———————-
         28x   =  28
         x = - 13/7
1) Multiple the numbers
2) Add the numbers
3) Add the same terms to both sides of the equation 
4) Simplify
5) Divide both sides of the equation
6) Simplify