Question

3x+2-x=6
3(x-1)-x=0
7-3y+4y -4= -1​
помогите пожалуйста!!

Answer 1

Ответ:

$3x + 2 - x = 6 \\ 2x = 4 \\ x = 2 \\ 3(x - 1) - x = 0 \\ 3x - 3 - x = 0 \\ 2x = 3 \\ x = 1.5 \\ 7 - 3y + 4y - 4 = - 1 \\ - 3y + 4y = - 1- 7 + 4 \\ y = - 4$