
Vivian L. answered 11/28/13
Tutor
3
(1)
Microsoft Word/Excel/Outlook, essay composition, math; I LOVE TO TEACH
Hi Kath;
First side...x
Second side...x+2
The rectangle has four sides, two width and two length.
24=2[x+(x+2)]
24=2(x+x+2)
24=2(2x+2)
24=4x+4
Let's subtract 4 from both sides as we isolate x...
-4+24=4x+4-4
20=4x
Let's divide both sides by 4...
20/4=4x/4
5=x
5+2=x+2
7=x+2
Let's check our work...
First side...5
Second side...5+2=7
24=2(5+7)
24=2(12)
24=24