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Tgoodwine19:
Which of the systems below is equivalent to the given system? 0.01x - 0.05y = 0.1 0.4x + 0.3y = 0.9 1. 10x - 5y = 10 and 4x + 3y = 9 2. x - 5y = 10 and 4x + 3y = 9 3. x - 5y = 1 and 4x + 3y = 9
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Mercury:
you can multiply each equation by some real #, you will produce an equivalent system (this is based on the multiplicative property of equality). (the # being multiplied doesn't have to be the same between the two equations) as a major hint, try multiplying the first equation by 100 and the second equation by 10
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