Justify each step 5x-50=276 5x=325 x=65

Step 1.) You add 50 to both sides so that -50 becomes 0.

Step 2.) You divide both sides by 5 to isolate the variable.

1. APOE (addition property of equality)
2. DPOE (division property of equality)

Best answer that i found on yahoo ok   set :   x= length of 2nd piece in cm  x- 3= length of 1st piece in cm  x-4= length of 3rd piece in cm  then since you know they all came from the 20 cm ribbon you add them together and set them equal to 20x+ x-3 +x-4 = 20  3x - 7= 20  3x= 27  x= 9  the shortest piece is the third piece which is x- 4  x-4  9-4 = 5  the length of the smallest piece is 5 cm.  the other lengths are  9 cm  6 cm

step-by-step explanation:

12 minutes