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Whats the answer for -9x+1=-80 ? show work please

User ShadowGod
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-9x+1=-80 \\ \\ -9x=-80-1 \\ \\ -9x=-81 \\ \\ 9x=81 \\ \\ x=(81)/(9) \\ \\ \boxed{x=9}
User JonoB
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