Mathematics, 14.12.2021 16:40 romanbattistelli23

I need help 1)If 3 is subtracted from seven times a number, the result is 53. Find the number.

2) The numerator of a fraction is 1 less than the denominator. If the numerator is decreased by 2 and the denominator is increased by 3, the fraction becomes 1/4. Find the fraction.

3)The length of a rectangle is twice its breadth. If the perimeter is 72 meter, find the length and breadth of the rectangle.

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I need help 1)If 3 is subtracted from seven times a number, the result is 53. Find the number.