Question

(7-4х)-(3х+2)=12 помогите

Answer 1

(7-4х)-(3х+2)=12

7-4х-3х-2=12

-4х-3х=12-7+2

-7х=7

х=7/(-7)

х = -1

Ответ: -1

Answer 2

7-4x -3x-2 = 12
5 - 7x = 12
-7х = 12 - 5
-7х = 7
Х = 7 : (-7)
Х = -1
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