esuqugip9498
05.03.2020 •
Mathematics
If you were to solve the following system by substitution, what would be the
best variable to solve for and from what equation?
3x + 6v=9
2x - 10v=13
A. x, in the second equation
B. x, in the first equation
O
C. y, in the first equation
O
D. y, in the second equation
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Ответ:
there are 7 sides.
Step-by-step explanation:
hope this helped you