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лінійні рівняння 7клас
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7x+3=3(2x-1)+x
there is no any solutions
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|3x-2|+5=7
4/3,0
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2,7+3y=9(y-2.1)
3,6
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(5x+3)-(8x-4)=11
-4
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|x+2|=3
1, -5
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0x=0
any x
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