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Solution
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Translate the problem into an equation:
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Sal's father is 3 times as old as he is. In six years the sum of their ages will be 68 . How old is Sal?The sum of two numbers is zero. One number is nine less than twice the other. Find the numbers.40% of what number is 56 Write an equation to modeHow old is Trevon if he was 50 years old six years ago?18 less than a number, times 4 is equal to 30