14(р-30)=630 Решите уравнение
14p-420=630 => 14p=1050 => p=75
14(p-30)=630
p-30=630/14
p=45+30
p=75
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14p-420=630 => 14p=1050 => p=75
14(p-30)=630
p-30=630/14
p=45+30
p=75