Question

Решите уравнение 1,5(х+3)+2(х-3)=51

Answer 1

1,5(х+3)+2(х-3)=51
1.5x+4.5+2x-6=51
3.5x=51+6-4.5
3.5x=52.5
x=52.5/3.5
x=15

Answer 2

1.5х+4.5+2х-6=51
3,5х=51+1,5
х=15