SOLUTION: if the length of a side of a square is increased by 3 centimeters, the perimeter of the new square is 40 centimeters more than twice the length of a side of the original square. fi

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Question 127019: if the length of a side of a square is increased by 3 centimeters, the perimeter of the new square is 40 centimeters more than twice the length of a side of the original square. find the dimensions of the original square
Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
4(x+3)=2x+40
4x+12=2x+40
4x-2x=40-12
2x=28
x=28/2
x=14 answer for the originmal length of the sides of the square.
PROOF:
4(14+3)=2*14+40
4*17=28+40
68=68