Answer:
8x-8
Step-by-step explan:
opposite sides are equal in rectangle .
3x-2+3x-2=6x-4
x+6+x+6=2x+12
were gonna simplify now
6x is positive and 2x is positive. positive + positive = +
so 6x +2x+8x
-4 has a minus sign before it so its negative
+12 has a plus before it so its positive
negative + positive = -
so p=8x-12-4
so p=8x-8
