Question

уравнение
-91, 2+(-2х)=-100, 7

Answer 1

-2х=-100,7+91,2
-2х=-9,5
х=-9,5÷-2
х=4.75

Answer 2

спасяб

Answer 3

-91,2-2х=-100,7
-2х=-100,7+91,2
-2х=-9,5
х= -9,5:(-2)
х= 4,75