很高兴为您服务!3(x+3)=50-x+33x+9=53-x4x=44x=11亲,还有什么不懂得可以追问哟!满意表忘记采纳呀
3(x十3)=50一x 3怎么算,现求大神3(x十3)=50一x +33x十9=50+3一x 3x十x =50+3一94x=53-94x=44 x=11
3(x十3)=50一3x 3x +9=50-3x 3x +3x =50-9 6x =41 x =41/6
3(x+3)=50-x+3方程计算 解:3x+9=53-x 3x+x=53-9 4x=44 x=44÷4 x=11
3(x+3)=50-x+3解方程3(x+3)=50-x+33x+9=50-x+33x+x=53-94x=44x=11
3x+9=50-x+34x=44x=11
3x+9=53-x 4x=44 X=11
4x+3(x-3)+10[50-x-(x-3)]=300 4x+3x-9+500-10x-10x+30=300 -13x=221 x=-17
3x十50x3十50=3803x十150十50=3803x十200=3803x=380-2003x=180 x=180÷3 x=60希望帮到你 望采纳 谢谢 加油
3(X+3)=50-X+34x=44 x=11