973-160-765÷(275+2x)=578

-765÷(275+2x)=578-973+160

-765÷(275+2x)=-235

275+2x=-765/-235

275+2x=3,25531914894

2x=3,25531914894-275

2x=-271,744680851

x=-271,744680851/2

х=-135,872340425