-3(4x+3)+4(6x+1)=43

-3(4x+3)+4(6x+1)=43

(-3)(4x) (-3)(+3) +4(6x+1)=43

-12x-9+4(6x+1)=43

-12x-9 (+4)(6x) (+4x)(+1)=43

-12x-9+24x+4=43

12x-5=43

12x-5+5=43+5

12x=48

12x/12=48/12

x=4