Question

a) 4b-10=62
b) 6m+4=56
c) 7x-21=91

Answer 1

a) 4b - 10 = 62

   4b = 62 + 10

   4b = 72

     b = 72/4

   b = 18

b) 6m + 4 = 56

   6m = 56 - 4

    6m = 52

      m = 52/6

   m = 26/3

c) 7x - 21 = 91

   7x = 91 + 21

   7x = 112

   x = 112/7

  x = 16