Respuesta :
3x+9=6(x-2)
• Expand the brackets
3x+9=6x-12
• Get all the coefficients of x on one side
3x-6x=-12-9
• Solve
-3x=-21
x=-21/-3
x=7
• Expand the brackets
3x+9=6x-12
• Get all the coefficients of x on one side
3x-6x=-12-9
• Solve
-3x=-21
x=-21/-3
x=7