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tristanortonubca
16.10.2019 •
Mathematics
For the system of equations shown below
2x = −y + 6
−4x + 3y = 8
what is the solution to the system of equations?
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Ответ:
-4x+3y=8
Rewriting the equations;
y+2x=6
3y-4x=8
Multiplying equation I by 3;
3y+6x=18
3y-4x=8
Subtracting equation II from equation I;
10x=10
x=1
Replacing for x in the first equation;
2x=-y+6
2(1)=-y+6
2=-y+6
2-6=-y
-4=-y
y=4
Ответ:
Step-by-step explanation: