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1.Write this sentence as an equation.Do not solve it.
Two times the difference of three times a number and seven is a number.
7.B'Elanna Torres tries to combine her like terms in 3(2x+4)-2x and got out 16x but Tom Paris thinks she made a mistake.It is your job to explain her mistake and solve the problem correctly.
Mistake: 3(2x+4)-2x=16x
3.The YMCA has a new rectangular pool with a perimeter of 108ft.The deep ends length is d ft.The shallow ends length is 15 ft.MacGyver knows that the width of the entire pool is 3 ft less than the deep ends length and can be represented by d-3.Solve for d.
