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maryam37
@maryam37
July 2022
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решение уравнения -2(x+6)-7=15
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kirichekov
Verified answer
-2*(X+6)-7=15
-2*(x+6)=15+7
-2*(x+6)=22 |:(-2)
x+6=-11
x=-11-6
x=-17
2 способ:
-2*(x+6)-7=15
-2*x+(-2)*6-7=15
-2x-12-7=15
-2x=15+19
-2x=34 |:(-2)
x=-17
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Answers & Comments
Verified answer
-2*(X+6)-7=15-2*(x+6)=15+7
-2*(x+6)=22 |:(-2)
x+6=-11
x=-11-6
x=-17
2 способ:
-2*(x+6)-7=15
-2*x+(-2)*6-7=15
-2x-12-7=15
-2x=15+19
-2x=34 |:(-2)
x=-17