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4times a number and 5 times the same number added to75 gives 156 find the number hint 4x+5x+75=156 |
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Answer» Answer: Step-by-step EXPLANATION: by HINT.. 4x+5x+75=156 9x+75=156 9x=156-75 9x =81 ×=9. .so the NUMBER is 9.. |
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