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wallsdeandre25521
26.06.2019 •
Mathematics
Which expressions represent rational numbers ? check all that apply. 6 +9 64+ 6/11
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Ответ:
Step-by-step explanation:
You can apply the Method of substitution.
Knowing that
(second equation), you can substitute it into the first equation and solve for the variable y:
Now you need to substitute
into the second equation
to calculate the value of the variable x. Then:
Then, the solution is: