4x-0.4=5x-(-24.6)

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4x-0.4=5x-(-24.6)

4x-0.4=5x-(-24.6)
4x-0.4=5x-(-24.6)

4x-0.4=5x-(-24.6)
4x-0.4=5x-(-24.6)
移项得到5x-4x=-(-24.6)-0.4
得到x=25

4x-0.4=5x-(-24.6)
4x-0.4=5x+24.6
4x=5x+25
4x-5x=25
-x=-25
x=25

4x-0.4=5x-(-24.6)
-0.4-24.6=X
X=-25

4x-5x=24.6+0.4
-x=25
x=25

4x-0.4=5x-(-24.6)
4x-0.4=5x+24.6
x=-25
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