Question

01. Determinar o valor de
a) 2 x + 6 = 12
b) 3 x = 9 = 27como resolver
c) 5x - 10 = 40
d) 2 x - 4 = x-5​

Answer 1

Resposta:

a)2x=12-6

2x=6

x=6/2=3

b) 3x=27-9

3x=18

x=18/3=6

c)5x=40+10

5x=50

x=50/5=10

d)2x-x=-5+4

1x=-1

x=-1