Question

Buna seara. Ma poate ajuta cineva? Multumesc.{[(x-8)×7+6-5]-4}×3-2=10

Answer 1

{[(x-8)×7+6-5]-4}×3-2=10

{[(x-8)×7+1]-4}×3 = 10+2

{[(x-8)×7+1]-4}×3 = 12

[(x-8)×7+1]-4 = 12 : 3

[(x-8)×7+1]-4 = 4

(x-8)×7+1 = 4+4

(x-8)×7+1 = 8

(x-8)×7 = 8-1

(x-8)×7 = 7

x-8 = 7:7

x-8 = 1

x = 1+8

x = 9