A rectangular deck has a perimeter of 126 feet and an area of 972 square feet. What are the dimensions of the deck?
1 answer:
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We have the following system of three linear equations:
Let's use elimination method in order to get the solution of this system of equation, so let's solve this step by step.
Step 1: Multiply first equation by and add the result to the second equation. So we get:
Step 2: Multiply first equation by −2 and add the result to the third equation. So we get:
Step 3: Multiply second equation by −32 and add the result to the third equation. So we get:
Step 4: solve for z.
Step 5: solve for y.
Step 6: solve for x by substituting and
into the first equation:
Finally:
Solving System of Equations: brainly.com/question/13121177
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