Given :
[tex]\heartsuit[/tex] 6x + 6 + 39 = -3x
Rearranging like terms and constants we get :
[tex]\heartsuit[/tex] (6x + 3x) + (6 + 39) = 0
[tex]\heartsuit[/tex] 9x + 45 = 0
[tex]\heartsuit[/tex] 9x = -45
[tex]\heartsuit[/tex] x = -5
