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EgorLosew
@EgorLosew
July 2022
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Решите уравнения:, А) -4*(3-5z)=18z-7, Б) 1,2-2*(1,3х+1)=5,6х-27,04
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2407Alexa
А) -12+20z=18z-7
20z-18z=-7+12
2z=5
z=5/2
z=2,5;
B) 1,2-2,6x-2=5,6x-27,04
-2,6x-5,6x=-27,04-1,2+2
-8,2x=-26,24
x=-26,24/-8,2
x=3,2;
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Answers & Comments
20z-18z=-7+12
2z=5
z=5/2
z=2,5;
B) 1,2-2,6x-2=5,6x-27,04
-2,6x-5,6x=-27,04-1,2+2
-8,2x=-26,24
x=-26,24/-8,2
x=3,2;