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Jadi, solusi dari sistem persamaan adalah:
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To solve the system of equations given by:
let’s use the elimination or substitution method. Here’s a step-by-step approach:
First, let’s isolate
in the first equation:
Substituting
into the second and third equations:
Substituting into the second equation:
Multiplying through by 2 to eliminate the fraction:
This simplifies to:
Now, substitute
into the third equation:
Again multiplying through by 2:
Now we have:
Substituting
back into
:
Using
to find
:
Now to find
using
in the first equation:
Convert 13 to a fraction:
So, the solution to the system is: