Question

2)resolva as equações. a) x + 2= 10 b) 2x + 9 = 37
c) x + 2x + 3 = 18
d) 3x + 18 = 36​

Answer 1

a) x + 2 = 10

x = 10 - 2

x = 8

b) 2x + 9 = 37

2x = 37 - 9

x = 28 / 2

x = 14

c) x + 2x + 3 = 18

3x = 18 - 3

x = 15 / 3

x = 5

d) 3x + 18 = 36

3x = 36 - 18

x = 18 / 3

x = 6