Найдите корень уравнения. 1)5у+7(3-у)=3(5-2у)-6; 2)7у-4(3у+5)=2-3(4у-9) Решите у...

buzenus2004 @buzenus2004

July 2022 1 5 Report

Найдите корень уравнения.
1)5у+7(3-у)=3(5-2у)-6;
2)7у-4(3у+5)=2-3(4у-9)
Решите уравнение.
1)8х+3(7-2х)=4х+3
2)23-4(3х+8)=1-17х

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miron2077

Verified answer

Исходные не пишу
5у+21-7у=15-6у-6
-2у+6у=9-21
4у=-12
у=-3
7у-12у-20=2-12у+27
7у=29+20
у=49:7
у=7
8х+21-6х=4х+3
2х-4х=3-21
-2х=-18
х=9
23-12х-32=1-17х
-12х+17х=1+32-23
5х=10
х=2

2 votes Thanks 3

buzenus2004 Спасибо))))

miron2077 Пожалуйста!

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