Question

c) 7 x = x + 12 d) 15x=45 e) 10 = 2 x​

Answer 1

Resposta:

c) x= 2. d) x = 2. e) x= 5

Explicação passo-a-passo:

c) 7x - x = 12

6x = 12

x = 12/6

x = 2

d) 15x = 45

x= 45/15

x = 3

e) 10 = 2x

10/2 = x

5= x