4х +5х =36 (решите пожалуйста)
4х +5х =369x=36x=36:9 x = 4
4x+5x=36
4x+5x=9x
9x=36
x=4
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4х +5х =36
9x=36
x=36:9
x = 4
4x+5x=36
4x+5x=9x
9x=36
x=4