Question 633681
3(2x + 5) = 9 + 3x
6x+15=9+3x
6x-3x=9-15
3x=-6
3x/3=-6/3
x=-2


Or


Put x=-2 in the given equation
3(2x + 5) = 9 + 3x
3(2(-2) + 5) = 9 + 3(-2)
3(-4+5)=9-6
3(1)=3
3=3