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SonyaMath
@SonyaMath
June 2022
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Определите,при каком значении х равны значения выражений
1/7a+4 и 3/14a-1/14
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Санечка69
Verified answer
1/7a + 4 = 3/14a -1/14
домножим на 14 и левую и правую часть равенства:
14
· (
1/7a+4) = (3/14a -1/14)
· 14
2а + 56 = 3а - 1
2а - 3а = -1 - 56
-а = -57
а = 57
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Verified answer
1/7a + 4 = 3/14a -1/14домножим на 14 и левую и правую часть равенства:
14 · (1/7a+4) = (3/14a -1/14) · 14
2а + 56 = 3а - 1
2а - 3а = -1 - 56
-а = -57
а = 57