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wormer221
@wormer221
October 2021
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Требуется решение и ответ
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Александр01081
1)3-y+2·(5-y)=4y-8
3-y+10-2y=4y-8
-3y+13=4y-8
-3y-4y=-8-13
-7y=-21
y=-21÷(-7)
y=3
2)2-2·(x-1)=4(x-2)
2-2x+2=4x-2
-2x+4=4x-2
-2x-4x=-2-4
-6x=-6
x=-6÷(-6)
x=1
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Answers & Comments
3-y+10-2y=4y-8
-3y+13=4y-8
-3y-4y=-8-13
-7y=-21
y=-21÷(-7)
y=3
2)2-2·(x-1)=4(x-2)
2-2x+2=4x-2
-2x+4=4x-2
-2x-4x=-2-4
-6x=-6
x=-6÷(-6)
x=1