Question

b) 2× + 6= x c) 3× + 8 = 2×-3 d) 7× + 9- 2× = 20 + 4× + 1

Answer 1

B) 2x + 6 = x
    2x - x = - 6
    x = - 6

C) 3x + 8 = 2x - 3
    3x - 2x = -3 - 8
    x = - 11

D) 7x + 9 - 2x = 20 + 4x + 1
     7x - 2x - 4x = 20 +1 - 9
     x = 12