Answer:
[tex]x=3[/tex]
Step-by-step explanation:
[tex]-3 (x + 4) + 15 = 6-4x[/tex]
[tex]-3x-12 + 15 = 6-4x[/tex]
Move -4x from right hands ide of the equation to left hand side
[tex]-3x+4x+3 = 6[/tex]
Move 3 from left hand side to right hand side
[tex]x = 6 - 3[/tex]
[tex]x=3[/tex]
