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Вованомер1
@Вованомер1
July 2022
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25 баллов . Нужно решить 4 уравнения 7 кл
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Vasily1975
Verified answer
1) x^2-12x+36-x^2-14x-49=-26x-13=0, x=-0,5
2) x^2+20x+100-4+4x-x^2=24x+96=0, x=-4
3) x^2-5x+5+x^2+x-3-2x^2=-4x+2=0, x=0,5
4) x^2-10x+25+x^2+8x+16-2x^2=-2x+41=0, x=41/2=20,5
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Answers & Comments
Verified answer
1) x^2-12x+36-x^2-14x-49=-26x-13=0, x=-0,52) x^2+20x+100-4+4x-x^2=24x+96=0, x=-4
3) x^2-5x+5+x^2+x-3-2x^2=-4x+2=0, x=0,5
4) x^2-10x+25+x^2+8x+16-2x^2=-2x+41=0, x=41/2=20,5