Question

(7х+1)-(4х-15)=4 пожалуйста

Answer 1

Ответ:

7x + 1 - 4x + 15 = 4

3x + 16 = 4

3x = -12

x = -4

Answer 2

(7х + 1) - (4х - 15) = 4

7х + 1 - (4х - 15) = 4

3x + 16 = 4

3x + 16 - 16 = 4 - 16

3x = -12

3x/3 = -12/3

x= -4