Решите позязя. :3 (уравнения) -4х+6=2(2х+3) 3х+4=7х-8 2х-3=10 2(х+1)=3(х+1). Created by kosovskikx. matematika-ru

Решите позязя. :3 (уравнения) -4х+6=2(2х+3) 3х+4=7х-8 2х-3=10 2(х+1)=3(х+1)...

August 2022 1 2 Report

Решите позязя. :3 (уравнения)

-4х+6=2(2х+3)

3х+4=7х-8

2х-3=10

2(х+1)=3(х+1)

Answers & Comments

МаДиНа0305
$- 4x + 6 = 2(2x + 3) \\ - 4x + 6 = 4x + 6 \\ - 4x - 4x = 6 - 6 \\ - 8x = 0 \\ x = 0 \div ( - 8) \\ x = 0$
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$3x + 4 = 7x - 8 \\ 3x - 7x = - 8 - 4 \\ - 4x = - 12 \\ x = - 12 \div ( - 4) \\ x = 3$
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$2x - 3 = 10 \\ 2x = 10 + 3 \\ 2x = 13 \\ x = 13 \div 2 \\ x = 6.5$
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$2(x + 1) = 3(x + 1) \\ 2x + 2 = 3x + 3 \\ 2x - 3x = 3 - 2 \\ - x = 1 \\ x = 1 \div ( - 1) \\ x = - 1$

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kosovskikx August 2022 | 0 Ответы

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