Question

1) x+2-6+9 = 0
2) 3x+10-4x+20x = 0
3) 5x+30+(20x/3) =0
4) 44x+10-(2x+8/10)

Answer 1

Resposta:

1)

×= -9 -2 +6

x= -5

2)

3x-4x+20x= -10

19x= -10

x= -10÷19

x= 0,526