Question

2x + 12 = 3 - x
I want to know the full formula
please help​

Answer 1

2x+12=3-x

2x+x=3-12

3x=-9

x=-9/3

x=-3

Hope it helped

Answer 2

Answer:

2x + 12 = 3 - x

2x+x +12-3=0

3x+9=0

3x=-9

x=-9/3

x=-3