Respuesta :

dare2dream
-3+3n = -7+2n
-3+(3n-2n) = -7+(2n-2n)
since you subtracted 2n from both sides, 2n cancels out on the right side so you're left with
-3+n = -7
n = -7+3 = -4
shockwave89
→ Chapter : Linear Equation of One Variable ←
≡ Solution:
⇒ [tex]-3+3n=-7+2n[/tex]
⇒ [tex]3n-2n=-7+3[/tex]
⇒ [tex]\boxed{n=-4}[/tex]