Solve this system of equations with matrices. x – 5y – 4z = 15 -3x +2y + 3z = -6 4x + 8y – 2z = 3
1 answer:
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Answer:
<h2>z = 5</h2>Step-by-step explanation:
-0.25z= -1.25
Convert the decimals to improper fractions
That's
<h3>So we have
<h3>Multiply through by 4
We have
- z = - 5
Divide both sides by - 1
the final answer is
<h3>z = 5</h3>Hope this helps you