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iliasulima04
@iliasulima04
August 2022
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решите номер 6 пожалуйста
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Universalka
Verified answer
4x + 3 = 2a - 1 3x + 7 = a + 2
4x = 2a - 1 - 3 3x = a + 2 - 7
4x = 2a - 4 3x = a - 5
x = 1/2a - 1 x = 1/3a - 5/3
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ПрофиЗнания
4x+3=2a-1
4x+4=2a
2x+2=a
x=(a-2)/2 =a/2 -1
3x+7=a+2
3x+5=a
3x=a-5
x=(a-5)/3=a/3-5/3
a/2-1=a/3 - 5/3
a/2-a/3=1-5/3
(3a-2a)/6 = -2/3
a/6=-2/3
a=-2/3*6=-4
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Answers & Comments
Verified answer
4x + 3 = 2a - 1 3x + 7 = a + 24x = 2a - 1 - 3 3x = a + 2 - 7
4x = 2a - 4 3x = a - 5
x = 1/2a - 1 x = 1/3a - 5/3
4x+4=2a
2x+2=a
x=(a-2)/2 =a/2 -1
3x+7=a+2
3x+5=a
3x=a-5
x=(a-5)/3=a/3-5/3
a/2-1=a/3 - 5/3
a/2-a/3=1-5/3
(3a-2a)/6 = -2/3
a/6=-2/3
a=-2/3*6=-4