Respuesta :
Adding the 2 like terms we get 7x=42. Dividing both sides by 7 we get x=6.
5x + 2x = 42
Add 5x to 2x
7x=42
Divide 7 on both sides
Final Answer: x=6
Add 5x to 2x
7x=42
Divide 7 on both sides
Final Answer: x=6