2x+3y=53
3x-y=19
work out the values of x and y...
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The weight of an object in the water is 7% of its weight out of the water. what is the weight of a 652g object in the water?
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Solve this riddle: i am an odd number. i an less than 100. the some of my digit is 12. i am a multiple of 15. what number am i?
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Whit h equation best represents this situation the number 98 increased by an unknown number equal to 120
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