Mathematics, 21.12.2019 17:31 libertycooper
How many solutions exist for the given equation? 0.75(x + 40) = 0.35(x + 20) + 0.35(x + 20)
Answers: 1
![0.75(x + 40) = 2*[0.35(x + 20)]\\0.75(x + 40) = 0.70(x + 20)\\ 0.75x+0.75*40=0.70x+0.70*20\\0.75x-0.70x=0.70*20-0.75*40\\0.05x=14-30\\0.05x=-16\\x=-16/0.05\\x=-320](/tpl/images/0429/1491/13ab3.png)
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How many solutions exist for the given equation? 0.75(x + 40) = 0.35(x + 20) + 0.35(x + 20)...
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