4[x+6.8]=36怎么算

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4[x+6.8]=36怎么算4[x+6.8]=36怎么算4[x+6.8]=36怎么算4[x+6.8]=36x+6.8=9x=9-6.8x=2.2x=2.2步骤一样4x+26.8=364x=36-26.

4[x+6.8]=36怎么算
4[x+6.8]=36怎么算

4[x+6.8]=36怎么算
4[x+6.8]=36
x+6.8=9
x=9-6.8
x=2.2

x=2.2步骤一样

4x+26.8=36
4x=36-26.8
4x=9.2
x=2.3

4[x+6.8]=36
x+6.8=9
x=2.2

4[x+6.8]=36
x+6.8=36-4
x=9-6.8
x=2.2

x+6.8=9
x=2.2