Answer:
3x + 3
Step-by-step explanation:
x = -1
7x - 4x + 3 - solve 7x- 4x
3x + 3 = 0 - move the 3x to other side by subtracting 3x from both sides
3 = -3x isolate the variable by dividing both sides by -3
-1 = x 3/-3 = -1
