3x + 3 = 0 //Subtract -3 on both sides
3x = -3 //Divide 3 on both sides
x = -1
Here x = -1 and y is all the values where x = -1, so basically from negative infinity to infinity.
Make sure when writing the solution, y is any value and x stays the same.
Solution: (-1,0) and (-1,1)
//Hope this helps
