Question

7x +2 = 3(x-1) + 21 solve it​

Answer 1

Answer:

7x+2=3x-3+21

7x-3x=-3+21-2

4x=16

x=16/4

x=4

Answer 2

Answer:

$7x + 2 = 3x - 3 + 21 \\ 7x + 2 - 3x + 3 - 21 = 0 \\ 4x - 16 = 0$

hope it helps you