Решите уравнение
а) 7- 4 (3x-1)= 5( 1-2x)
b) x-1 5-x 3x
—— = —— + ——
5 5 4
c) 2x ² - x = 0
а) 7- 4 (3x-1)= 5( 1-2x)
b) x-1 5-x 3x
—— = —— + ——
5 5 4
c) 2x ² - x = 0
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Answers & Comments
-12x+10x=5-7-4
-2x=-6
x=3
c)x(2x-1)=0
x=0 или 2x-1=0; 2x=1; x=0,5
7-4(3х-1)=5(1-2х)
7-12х+4=5-10х
11-12х-5+10х=0
6-2х=0
-2х=-6
х=3