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MaksimKojevnikov04
@MaksimKojevnikov04
July 2022
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(х-4,5)/2=(-2х-3,5)/3
-2(х+5)+1=-3(х+1)
|х|-15=9-5|х|.
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Regent1828
Verified answer
1) (x - 4,5)/2 = (-2x - 3,5)/3
3*(x - 4,5) = 2*(-2x - 3,5)
3x - 13,5 = -4x - 7
7x = 6,5
x = 13/14
Ответ: {13/14}
2) -2(x + 5) + 1 = -3(x + 1)
-2x - 10 + 1 = -3x - 3
x = 9 - 3
x = 6
Ответ: {6}
3) |x| - 15 = 9 - 5|x|
6|x| = 24
|x| = 4
x = 4
x = -4
Ответ: {-4; 4}
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Answers & Comments
Verified answer
1) (x - 4,5)/2 = (-2x - 3,5)/33*(x - 4,5) = 2*(-2x - 3,5)
3x - 13,5 = -4x - 7
7x = 6,5
x = 13/14
Ответ: {13/14}
2) -2(x + 5) + 1 = -3(x + 1)
-2x - 10 + 1 = -3x - 3
x = 9 - 3
x = 6
Ответ: {6}
3) |x| - 15 = 9 - 5|x|
6|x| = 24
|x| = 4
x = 4
x = -4
Ответ: {-4; 4}