6x+3x=4.5解方程.

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6x+3x=4.5解方程.6x+3x=4.5解方程.6x+3x=4.5解方程.6x+3x=4.59x=4.5x=4.5÷9x=0.5x=0.5x=0.50.5解,9x=4.5,x=4.5/9,x=0.

6x+3x=4.5解方程.
6x+3x=4.5解方程.

6x+3x=4.5解方程.
6x+3x=4.5
9x=4.5
x=4.5÷9
x=0.5

x=0.5

x=0.5

0.5

解,9x=4.5,x=4.5/9,x=0.5

6x+3x=4.5
9x=4.5
x=0.5

X=0.5

9x=4.5
9x÷9=4.5÷9
x=0.5

6×+3×=4.5
(6+3) ×=4.5
9×=4.5
×=0.5
望采纳

9x=4.5 x=0.5

0.5