Question

resolva por completo o calculo: 3(5x+6)+(x+4)-8=(2x+6)

Answer 1

3(5x+6) + (x+4)-8 = 2x+6

15x + 18 + x + 4 - 8 = 2x + 6 

15x + x - 2x = 6 - 18 -4 + 8 

16x - 2x = - 12 + 4 

14x = - 8

x = -8/14

x = -4/7              ok