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Njashka
@Njashka
July 2022
2
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7 * (2х - 1) +15 = 12х + 4
решите уравнение
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Mydrый
7 * (2х - 1) +15 = 12х + 4
14х-7+15=12х+4
14х+8=12х+4
14х-12х=4-8
2х=-4
х=-2
0 votes
Thanks 4
ира250
7(2х-1)+15=12х+4
14х-7+15=12х+4
14х-12х=4+7-15
2х=11-15
2х=-4
х=-4:2
х=-2
1 votes
Thanks 3
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Answers & Comments
14х-7+15=12х+4
14х+8=12х+4
14х-12х=4-8
2х=-4
х=-2
14х-7+15=12х+4
14х-12х=4+7-15
2х=11-15
2х=-4
х=-4:2
х=-2