2x+10=5x-19怎么解?

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2x+10=5x-19怎么解?2x+10=5x-19怎么解?2x+10=5x-19怎么解?2x+10=5x-192x-5x=-19-10-3x=-29x=29/35x-2x=19+103x=29x=2

2x+10=5x-19怎么解?
2x+10=5x-19怎么解?

2x+10=5x-19怎么解?
2x+10=5x-19
2x-5x=-19-10
-3x=-29
x=29/3

5x-2x=19+10
3x=29
x=29/3

把带X的全部移到一端,常数全部移到一端,得到3X=29,X=9.666...

2x+10=5x-19
2x-5x=-19-10
-3x=-29
x=29
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