Problem 36 of 7
Justify adding a multiple of one equation to another in 4p + 3q = 22, p + q = 6.
Using a hint is okay. It just tells the trainer to give you a little more review.
Hidden until you reveal it.
connect linear combination to equality-preserving operations.
Hidden until you reveal it.
Operation must be a valid linear combination used for elimination.
Enter your answer
Your answer is equivalent to the expected form.
Walkthrough
Full solution stays hidden until you ask for it.
1. Scale an entire equation if needed.
2. Add or subtract entire equations side by side.
3. Because equal quantities are combined, common solutions are preserved.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Changing only one side or only one coefficient.