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how is -(x + 7) -5 = 4(x + 3) - 6x done

 Feb 22, 2019
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\(-(x + 7)-5 = 4(x+3) - 6x\\ -x - 7 - 5 = 4x + 12 - 6x \\ -x - 12 = -2x + 12\\ -x + 2x - 12 = 12\\ -x + 2x = 24\\ x = 24\)

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 Feb 22, 2019

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