3 \\\ -3x+9-x-2=7, \ -2 \leq x \leq 3 \\\ -3x+9+x+2=7, \ x<-2" alt="3x-9-x-2=7, \ x>3 \\\ -3x+9-x-2=7, \ -2 \leq x \leq 3 \\\ -3x+9+x+2=7, \ x<-2" align="absmiddle" class="latex-formula">
3 \\\ -4x=0, \ -2 \leq x \leq 3 \\\ -2x=-4, \ x<-2" alt="2x=18, \ x>3 \\\ -4x=0, \ -2 \leq x \leq 3 \\\ -2x=-4, \ x<-2" align="absmiddle" class="latex-formula">
3 \\\ x=0, \ -2 \leq x \leq 3 \\\ x=2, \ x<-2" alt="x=9, \ x>3 \\\ x=0, \ -2 \leq x \leq 3 \\\ x=2, \ x<-2" align="absmiddle" class="latex-formula">
Ответ: 0 и 9