The answer is (9,21) because is you plug in 9 for x, and add 12, you get 21.
Answer:
(x+)^3
Step-by-step explanation:
4x - 9 = 2x
Solve for x.
4x = 2x + 9
2x = 9
x = 4.5
We can plug 4.5 into the original equation to verify if it's correct.
4x - 9 = 2x
4(4.5) - 9 = 2(4.5)
18 - 9 = 9
The equation is true, and so x = 4.5
Answer:
Step-by-step explanation:
is not congruent to