Answer:
Equation is true no matter what number you plug in for n.
Explanation:
4n + 6 -2n = 2(n + 3)
First we can divide the equation by 2 on both sides.
2n + 3 - n = n + 3
n + 3 = n + 3
n = n
Since n = n, this equation is always true no matter what number you plug in for n.