Question

-2x-65/7+18=11 как решить?

Answer 1

-2x-65=11*25
-2x-65=275
-2x=275+65
-2x=340
x=-170

Answer 2

-2х-65/7+18=11
-2х=11-18+65/7
-2х=77/7-126/7+65/7
-2х=16/7
х=16/7:(-2)
х=16/7*(-1/2)
х=-8/7
х=-1 1/7