1.x+y=-7 y=x+1
a. substitution method
b. elimination method
2.x-y=-7 x+5y=-7<...
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Mathematics, 25.02.2021 14:00 ellettm
1.x+y=-7 y=x+1
a. substitution method
b. elimination method
2.x-y=-7 x+5y=-7
a. substitution method
b. elimination method
![ansver](/tpl/images/cats/User.png)
Answers: 3
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