A rectangle has length 72 cm and it’s width 56 cm. The other rectangle has the same area as this one, but its width is 21 cm. Fi
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12d+2-3d=5 collect the like terms
9d+2= 5 move constant to the right
9d=5-2 subtract the number
9d=3d divide both sides by 9
answer = d=1/3
9d+2= 5 move constant to the right
9d=5-2 subtract the number
9d=3d divide both sides by 9
answer = d=1/3