Concept explainers
To find the numbers
Answer to Problem 22PPS
4, 0
Explanation of Solution
Given:
A number minus twice another number is 4.
Three times the first number plus two times the second number is 12.
Calculation:
Let the first number be x and the second number be y.
Given that, a number minus twice another number is 4.
So,
Also, three times the first number plus two times the second number is 12. Then,
Solving above two equations using elimination method,
Add equations (1) and (2), so that the variable y can be eliminated.
Substitute the value of
Say, equation (1),
Conclusion:
Therefore, the numbers are 4 and 0.
Chapter 6 Solutions
Algebra 1
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