8x=45-x 解方程
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8x=45-x 解方程
8x=45-x
8x+x=45
9x=45
x=5
8x+x=45
9x=45
x=45/9
x=5
8x=45-x
9x=45
x=5
x=5
x=5
8X-X=45
7X=45
X=7分之45
8x=45-x
8x+x=45
9x=45
x=5
8x+x=45
9x=45
x=45/9
x=5
8x=45-x 解方程
8x=45-x
8x+x=45
9x=45
x=5
8x+x=45
9x=45
x=45/9
x=5
8x=45-x
9x=45
x=5
x=5
x=5
8X-X=45
7X=45
X=7分之45
8x=45-x
8x+x=45
9x=45
x=5
8x+x=45
9x=45
x=45/9
x=5