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Solving systems by substitution I need to show my work this is a quiz
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△cde maps to △stu with the transformations (x, y) arrowright (x − 2, y − 2) arrowright (3x, 3y) arrowright (x, −y). if cd = a + 1, de = 2a − 1, st = 2b + 3 and tu = b + 6, find the values of a and b. the value of a is and the value of b is .
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The equation x2 – 1x – 90 = 0 has solutions {a, b}. what is a + b?
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Two years ago a man was six times as old as his daughter. in 18 years he will be twice as old as his daughter. determine their present ages.
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Solving systems by substitution I need to show my work this is a quiz
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