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which is an equation of the line that passes through the point (3,-1) and is perpendicular to 2y-3x=7

User Lidiya
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Dennis thought of a number. He adds 0.5 to that number and then multiplies the new result by 4. He then subtracts 2 and divides the number by 2. His final answer is 48. What number did Dennis start with?
User Jaime Febres
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