x-[(x-3500)*0.2-555]=9553求x=?

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x-[(x-3500)*0.2-555]=9553求x=?
x-[(x-3500)*0.2-555]=9553求x=?

x-[(x-3500)*0.2-555]=9553求x=?
x-[(x-3500)*0.2-555]=9553
x-[0.2x-700-555]＝9553
0.8x+1255=9553
0.8x=8298
x=10372.5

先展开：
0.8x+700-555=9553
x=11760

x-[(x-3500)×0.2-555]=9553
X-(x/5-700-555)=9553
x-x/5=9553-1255
4x/5=8298
x=8298×5/4
x=10372.5

x-[(x-3500)*0.2-555]=9553求x=? X-｛[(X-430.5-3500)*0.2-555]+430.5｝=10000,X等于多少 x x X x x x x x x x x |x| X x x X