(4.2y-0.96)-1.5=1.71 Помогите

Question

(4.2y-0.96)-1.5=1.71 Помогите

Answer 1

4.2у-0.96=1.71+1.5
4.2у-0.96=3.21
4.2у=3.21+0.96
4.2у=4.17
у=4.17:4.2
у=0.992