Question

questões
a) 7x = 49
b) x + 10 = 18
c) 2x - 7 = 15
d) 3x + 2 = - 1
e) 6x + 12 = 54
f) 5x - 14 = 31
g) 4x + 28 = 24
h) 9x - 13 = 95

Answer 1

a) x= 49/7 = 7
b) x= 18 - 10 = 8
c) 2x= 15 + 7
    2x = 22
      x= 22/2 = 11
d) 3x= -1-2
   3x= -3
     x= -3/3 = -1
e) 6x= 54-12
    6x= 42
      x= 42/6 =7
f) 5x= 31+14
    x= 45 / 5 = 9
g) 4x= 24-28
     x= -4/4 = -1
h) 9x= 95+13
     x= 108/9 = 12

:)