Step-by-step explanation:
1/2 is the answer
hope it helps
thank you
3x+3 = x-1
2x+3 = -1 (subtracted x from both sides)
2x = -4 (subtracted 3 from both sides)
x = -2 (divided 2 from both sides).
The answer is the first one
Pretty much, write two problems that equal to 0