Question

calcule a raiz ou a solução das seguintes equacoes : 60+13x=3x

Answer 1

3x = 60+13x
3x-13x = 60
-10x = 60
-x = 6
x = -6

Answer 2

60+13x=3x
13x-3x=-60
10x=-60
x=-60/10
x=-6
S={-6}