2-(0,9х-1,3)=1,3х Решите уравнения.

Question

2-(0,9х-1,3)=1,3х
Решите уравнения.

Answer 1

2-(0.9х-1.3)=1.3х
2-0.9х+1.3=1.3х
1.3х+0.9х=2-1.3
2.2х=0.7
х= 7 
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