\(231+\dfrac{x}{15}-46=170\\ \dfrac{x}{15}=170+46-231\\ \dfrac{x}{15}=-15\\ x=-225\)
231+x/15-46=170
<=> 231 + x/15 =216
<=>x/15=216-231
<=>x/15=-15
<=>x/15=-225/15
<=>x=-225
231+x/15-46=170
<=> 231 + x/15 =216
<=>x/15=216-231
<=>x/15=-15
<=>x/15=-225/15
<=>x=-225