Question

ecuaciones lineales
3  [2x-(5x+2) ]  +1=3x-9(x-3)

Answer 1

3 [2x-(5x+2) ] +1=3x-9(x-3)
3 [2x-5x-2 ] +1=3x-9x+27
3 [-3x-2 ] +1=-6x+27
-9x-6+1=-6x+27
-9x-5= -6x+27
-9x+6x=27+5
-3x=32
x= - 32 
        3