4(х+5) < 85
4x+20<85
4x<85-20
4x<65
x<65:4
x<16.25
x∈(-∞;16,25)
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4(х+5) < 85
4x+20<85
4x<85-20
4x<65
x<65:4
x<16.25
x∈(-∞;16,25)