Question

7 x +3 =30 - 2x помогите​

Answer 1

Ответ:

x = 3

Объяснение:

7x + 3 = 30 - 2x

(7x + 2x) = (30 - 3)

9x = 27

x = 27/9

x = 3

Answer 2

Ответ:

7x+3=30-2x

7x=30-2x-3

7x+2x=30-3

9x=27

x=27/9

x=3