Question

Решите уравнение 3(3х-1)+2=5(1-2х)-1

Answer 1

9x-3+2=5-10x-1;
19x=5;
x=5/19

Answer 2

3(3х-1)+2=5(1-2х)-1
9x-3+2=5-10x-1
9x+10x=5
19x = 5
x= 19\5
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