isabelcrosabal
28.01.2020 •
Mathematics
Is (3,-1) a solution of this system: y=2-x 3-2y=2x
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Ответ:
-1=2-3
-1=-1 CHECK
3-2(-1)=2(3)
3+2=6
5=6 NO
This is not a solution.
Ответ:
You must have wrote the equation incorrectly
Step-by-step explanation:
You wanna make f(x) equal to 6
So its 6 = 2x + 57
Subtract 57 from both sides to get -51 = 2x
Divide both sides by 2 to get -25.5