Question

Решите уравнение 5x - 4 (x - 20) = 160

Answer 1

5х-4(х-20)=160 
5х-4х+80=160 
х+80=160 
х=160-80 
х=80

Answer 2

5x - 4 (x - 20) = 160
5х - 4х + 80 = 160
5х - 4х = 160 - 80
х = 80