the length and width of a rectangle are 7 cm and (x-8) cm respectively. find the value of x if the area of the rectangle is 42 cm2

asked Jul 11, 2018 83.7k views

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3 votes

7 (x-8)=42
x-8=6 Because 7/42=6
x=6+8
x=14

Alan Omar answered Jul 18, 2018

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