weight of a backpack and a suitcase altogether is 28 kg.If the weight of three backpacks is equal to the weight of one suitcase,then the weight of one suitcase is what ?Please give me the full answer or explanation with photos if possible. And I am now in just 4 class.But I have studied full 7 class book but don't use algebra for solution.I am not clear about algebra.I have a little doubt in it.I will mark you brainliest.please answer my questions
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84 kg
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