murtaghliam1
30.11.2020 •
Mathematics
5x +7y =19, -5x - 3y = 11
Whats the best method to solve this equation?
- Elimination
- substitution
- these equations are unsolved
-
Solved
Show answers
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Ответ:
In other words,
5x+7y=19
-5x-3y=11
4y=8
y=2
Ответ:
3 apples
Step-by-step explanation:
5-2=3