4X+20=56怎么解答案

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4X+20=56怎么解答案4X+20=56怎么解答案4X+20=56怎么解答案x=(56-20)/4=9X=94X+20=564X=56-20=36X=36/4X=94x=20+564x=76x=19

4X+20=56怎么解答案
4X+20=56怎么解答案

4X+20=56怎么解答案
x=(56-20)/4
=9

X=9

4X+20=56
4X=56-20
=36
X=36/4
X=9

4x=20+56 4x=76 x=19