Applicare la formula: $a=b$$\to b=a$, dove $a=w$ e $b=\sin\left(2x+y\right)$

Applicare la formula: $a=b$$\to inverse\left(a,a\right)=inverse\left(a,b\right)$, dove $a=\sin\left(2x+y\right)$ e $b=w$

Applicare la formula: $\arcsin\left(\sin\left(\theta \right)\right)$$=\theta $, dove $x=2x+y$

Applicare la formula: $x+a=b$$\to x=b-a$, dove $a=2x$, $b=\arcsin\left(w\right)$, $x+a=b=2x+y=\arcsin\left(w\right)$, $x=y$ e $x+a=2x+y$