Counterbalanced designs allow the researcher to isolate the main effects due to condition and control for order and sequence effects only if there is no interaction between the procedural variables and the independent variables.
3x + 7 = x - 15
First, make sure to subtract

from both sides.
Second, simplify 3x - x to get 2x, and then keep the 7.
Third, subtract

from both sides.
Fourth, simplify -15 - 7 to get -22.
Fifth, take the 2 and divide both sides by it, keeping the

by itself.
Sixth, since 11 goes into 2 to get 22, simplify the fraction to 11.

Answer:
x = -11
Answer:
maybe you can say, the rope wirings connecting to the bottom of the ship were loose or unsteady and use this as a support foreshadow later when the fierce Strom hits' the rope sinks into the ocean,
The correct answer is "I heard many things in hell. How, then, am I mad? Hearten! And observe how healthily-how calmly I can tell you the whole story."
Explanation: The narrator of "The Tell-Tale Heart" is unreliable because in this excerpt he claims to hear something that is supernatural, and states that the proof is in his narration. His tone is nervous and shows that he is panicking while attempting to convince the reader that he is calm, and not crazy.
Answer:
I did the test the answer is D. :)