SOLUTION: The difference between the length and the width of a rectangle is 7 centimeters. Find the dimensions of the rectangle if its perimeter is 50 centimeters.

Question 131641This question is from textbook Algebra 1
: The difference between the length and the width of a rectangle is 7 centimeters. Find the dimensions of the rectangle if its perimeter is 50 centimeters. This question is from textbook Algebra 1

Answer by 067isa(13) (Show Source): You can put this solution on YOUR website!
Check our knowledge of the shape :REctangle
the perimeter = 2 length * 2 width
L-W= 7 equation one
2L+2W=50 equation two
either by elimination or sub .
slove for L in the eqaution one
L= 7+W sub this value in the equation two instead of L
2L+2W=50
2(7+w)+2W=50
14+2w+2w=50
collect the like terms and isolate the Variable"letter " in one side
4w=36
w = 9
L=7+9= 16

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