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Janakop2003
@Janakop2003
July 2022
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-0,9х-(0,6х+0,5y)
Если 3х+y=-0,2
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prettypushkova
Verified answer
- 0,9х - (0,6х + 0,5у) = - 0,9х - 0,6х - 0,5у = - 1,5х - 0,5у = - (1,5х + 0,5у)
Если 3х + у = - 0,2
- (1,5х + 0,5у) = - 0,2 : 2 = - 0,1
- (- 0,1) = + 0,1
Ответ: 0,1.
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Answers & Comments
Verified answer
- 0,9х - (0,6х + 0,5у) = - 0,9х - 0,6х - 0,5у = - 1,5х - 0,5у = - (1,5х + 0,5у)Если 3х + у = - 0,2
- (1,5х + 0,5у) = - 0,2 : 2 = - 0,1
- (- 0,1) = + 0,1
Ответ: 0,1.