Решите уравнение: 1) 4(x+5)=5(x+4)-x 2) 6x+3=6(x+5) 3) 8x+4=2x+22 4)-12n-3=11n-3. Created by romenlapsha. matematika-ru

Решите уравнение: 1) 4(x+5)=5(x+4)-x 2) 6x+3=6(x+5) 3) 8x+4=2x+22 4)-12n-3=11n-3...

July 2022 1 4 Report

Решите уравнение:
1) 4(x+5)=5(x+4)-x
2) 6x+3=6(x+5)
3) 8x+4=2x+22
4)-12n-3=11n-3

Answers & Comments

RybaVobla 1)
4(x+5)=5(x+4)-x
4x+20=5x+20-x
4x+x-5x=20-20
0=0
2)
6x+3=6(x-5)
6x+3=6x-30
6x-6x=-30-3
0=-33
Ответ: нет решений
3)
8x+4=2x+22
8x-2x=22-4
6x=18
x=3
4)
-12n-3=11n-3
-12n-11n=-3+3
-23n=0
Ответ: нет решений

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