решите 2 примера пожалуйста. Created by olyastar98. matematika-ru

решите 2 примера пожалуйста...

olyastar98 @olyastar98

August 2022 1 4 Report

решите
2
примера
пожалуйста

Answers & Comments

tausinv

Verified answer

13
2x - 3y = 7
log4(3x + y) = 2

2x - 3y = 7
3x + y = 16

6x - 9y = 21
6x + 2y = 32
-11y = -11
y = 1
x = 5
(5,1)

14
x^2 <= 9
-3 <= x <= 3

lg(x+1) > 0
x+ 1 > 1
x+ 1 > 0 - ОДЗ
x > 0

itogo
0<x<=3
(0,3]

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