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apolo230kmn
@apolo230kmn
July 2022
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7x-5(2x+1)=5x+15
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Ацетатик
7х - 10х - 5 = 5х + 15
7х - 10х - 5х = 15 + 5
-8х = 20
х = -2,5
5 votes
Thanks 16
lilynysa
7x-5(2x+1)=5x+15
7x-10x-5=5x+15
7x-10x-5x=15+5
-8x=20
x=20/(-8)
x=-2.5
4 votes
Thanks 13
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Answers & Comments
7х - 10х - 5х = 15 + 5
-8х = 20
х = -2,5
7x-10x-5=5x+15
7x-10x-5x=15+5
-8x=20
x=20/(-8)
x=-2.5