What type of equation is 3(x – 3) = 3x – 9?
Note
Expanding the left side gives 3x - 9, exactly the same as the right side. Since both sides are identical, every value of x makes the equation true.
What type of equation is 3(x – 3) = 3x – 9?
Expanding the left side gives 3x - 9, exactly the same as the right side. Since both sides are identical, every value of x makes the equation true.