Question

54 pontos,me ajudem pff!!! 2x-6+10x=30

Answer 1

2x-6+10x=30

12x-6=30
12x=30+6
12x=36
x=36/12
x = 3

Answer 2

2x-6+10x=30
2x+10x=30+6
12x=36
x=36/12
x=3