Question

2x-4x+9x+2x+12x=-8+4+-2x+18

Answer 1

2x-4x+9x+2x+12x=-8+4+-2x+18

21x=−8+4−2x+18

21x=−2x+14

21x+2x=14

23x=14

x = 14 / 23

Answer 2

Resposta:

2x-4x+9x+2x+12x=-8+4+-2x+18

=>2x-4x+9x+2x+12x+2x=-8+4+18

logo, -2x+11x+14x=-4+18

=>9x+14x=14

23x=14

Se 23x=14, => x=14

23