Question

a)12x=2x+16 b)8x-10=2x+2 c)4x+1=4x-7

Answer 1

Boa Tarde

a) 12x = 2x + 16:

12x - 2x = 16

10x = 16

x = 16/10

x = 8/5 ou 1,6.

b) 8x - 10 = 2x + 2:

8x - 2x = 2 + 10

6x = 12

x = 12/6

x = 2

c) 4x + 1 = 4x - 7:

4x - 4x = -7 - 1

0x = -8

0 = -8??????

x = ∅ (Sem Valor Possível).