How do you solve the system 3x-y z=5, x 3y 3z=-6, and x 4y-2x=12?
1 answer:
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Answer:
Sam's description = , Kim's description =
Step-by-step explanation:
Given:
Kim and Sam were each given the same pair of numbers.
Sam's description of the two numbers was:
The larger number is 3 more than three times the smaller number.
Kim's description of the two numbers was:
Five times the smaller number decreased by 7 is the larger number.
Question asked:
Which equation represents the situation?
<u>Solution:</u>
Let smaller number =
According to Sam's description of the two numbers, the equation will be:-
Larger number = 3 more than three times the smaller number
=
According to Kim's description of the two numbers was, the equation will be:-
Larger number = Five times decreased by 7
=
By equating both equation:-
Smaller number = = 5
Larger number =
Therefore, equations represents the situation are and