5(x-8)=3x 9(2x-3)-2=5(2x-1)

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2025-03-29 02:48:32
推荐回答(4个)
回答1:

5(x-8)=3x
5X-40=3X
5X-3X=40
2X=40
X=20

9(2x-3)-2=5(2x-1)
18X-27-2=10X-5
18X-29=10X-5
18X-10X-29=-5
18X-10X=29-5
8X=24
X=3

回答2:

5x-40=3x
40=2x
x=20
18x-27-2=10x-5
18x-29=10x-5
18x-24=10x
24=8x
x=3

回答3:

5x-40=3x
5x-3x=40
2x=40
x=20

回答4:

x=20