Answer:
No solution
Step-by-step explanation:
The question is unsolvable so theres no solution.
3(x+2)+4(3+x)-3=7x
3x + 6 + 12 + 4x -3 = 7x
7x + 15 = 7x
7x - 7x + 15 = 7x - 7x
15 = 0