2x+(22-x)=40
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2x+(22-x)=40
2x+(22-x)=40
2x+(22-x)=40
2x+22-x=40
x=40-22
x=18
2x+(22-x)=40
请问这道题咋做 :(x)X (x+1) X (x+2) X (x+3) =360
2x+4x(7-x)=22
300字读后感 2篇 俄把格式说一下吧:《xxxx》(写题目)主要内容:x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x(写那篇文章的主要内容)思考分析:x x x
2(15+2x)x+40x=246
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x+40=2x x=?
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2*【x+(x+40)】=400
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