Question

решение уравнений 2) 6х-(9х+2)=7

Answer 1

6x-(9x+2)=7
6x-9x-2=7
-3x-2=7
-3x=7+2
-3x=9
x= -3

Answer 2

6х-(9х+2)=7

6х-9х-2=7

-3х-2=7

-3х=7+2

-3х=9

х=9:(-3)

х=-3