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数学
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x+6与3(x+2)的值互为相反数,则x的值为______.
人气:157 ℃ 时间:2019-08-19 04:31:53
解答
根据题意得:x+6+3(x+2)=0,
去括号得:x+6+3x+6=0,
移项合并得:4x=-12,
解得:x=-3.
故答案为:-3.
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