Question

Resolva as equações a seguir:

a) 18x-43=65
b) 23x-16=14-17x

Answer 1

a) 18x - 43 = 65
18x = 65  + 43
18x = 108
x = 108/18
x = 6

b) 23x - 16 = 14 - 17x
23x + 17x = 14 + 16
40x = 30
x = 30/40
x = 3/4
x = 0,75