Mathematics, 09.07.2019 03:30, justyne2004
Will give brainliest kisha and rae are asked to solve β5x β 14 = 2x + 7. identify where one of them made an error. kisha rae β5x β 14 = 2x + 7 β5x β 14 β 2x = 2x + 7 β 2x β7x β 14 = 7 β7x β 14 + 14 = 7 + 14 β7x = 21 negative 7x over negative 7 equals 21 over negative 7 x = β 3 β5x β 14 = 2x + 7 β5x β 14 + 5x = 2x + 7 + 5x β14 = 7x + 7 β14 + 7 = 7x + 7 + 7 β7 = 7x negative 7 over 7 equals 7x over 7 x = β 1 rae made the error when she added 7 rae made the error when she added 5x kisha made the error when she subtracted 2x kisha made the error when she divided by β7
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Will give brainliest kisha and rae are asked to solve β5x β 14 = 2x + 7. identify where one of them...
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