Question

5(x - 1) + 2(x - 3) + x = 5.

Answer 1

a resposta de 5(x - 1) + 2(x - 3) + x = 5. e 15

Answer 2

5(x - 1 ) + 2( x - 3 ) + x = 5

5x - 5 + 2x - 6 + x  = 5

5x + 2x + x = 5 + 6 + 5

8x = 16

x = 16 / 8

x = 2

S = { 2 }