kokilavani
01.12.2020 •
Mathematics
What following best describes expression of 7(x+12)-4
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Ответ:
The correct answer is the solution of the system of equations are w = 10 and m = -8. The answer is not at all reasonable.
Step-by-step explanation:
The two system of equations are m + 2w = 12 and m + 3w = 22 where m and w represent the number of men and women working in an office.
We subtract both the sides with each other in order to solve the system of equation.
⇒ m + 3w - m - 2w = 22 - 12
⇒ w = 10.
⇒ m = -8.
The values of w and m are not reasonable at all. Since m and w represent the number of men and women in an office, they cannot be less than zero.