реши уравнение 7*(x+14)-9*(x-2)=12x+32

Question

реши уравнение 7*(x+14)-9*(x-2)=12x+32

Answer 1

7*(x+14)-9*(x-2)=12x+32

7х+98-9х+18=12х+32

7х-9х-12х=32-98-18

-14х=-84

х=-84:(-14)

х=6

проверка:

7*(6+14)-9*(6-2)=12*6+32

104=104

Answer 2

 7*(x+14)-9*(x-2)=12x+32

7х+98-9х+18=12х+32

-14х=-98-18+32

-14х=-8

х=6