2 years ago

The length of a rectangle is 6 centimeters and its area is (6x + 18)square centimeters. Write an expression for the width.

1 answer:

5 0

Area=legnth times width
legnth=6
area=6x+18
subsitute
6x+18=6 times width

undistribute 6 from each term on left side
6(x+3)=6 times width
divide both sides by 6
x+3=width

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