x+(x+10)+60+90=360++++++++++++++++++++++x最后等于多少?

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x+(x+10)+60+90=360++++++++++++++++++++++x最后等于多少?

x+(x+10)+60+90=360++++++++++++++++++++++x最后等于多少?
x+(x+10)+60+90=360++++++++++++++++++++++x最后等于多少?

x+(x+10)+60+90=360++++++++++++++++++++++x最后等于多少?
x+(x+10)+60+90=360x+x=360-90-60-102x=200x=100