Question

решите уравнение 4.78x+1.72x-47.84=151.71

Answer 1

6.5x=199.55
x=199.55/6.5
x=30,7

Answer 2

4.78x+1.72x-47.84=151.71
4.78х+1.72х=151.71+47.84
6.5х=199.55
х=199.55:6.5
х=30.7