(0.6y)4.5=(1.3-y)9 Помогите

Question

(0.6y)4.5=(1.3-y)9 Помогите

Answer 1

(0.6y)4.5=(1.3-y)9
2.7y=11.7-9y
2.7y+9y=11.7
11.7y=11.7
y=1

Answer 2

2.7у=11,7-9у
2.7у+9у=11.7
11.7у=11.7
У=1