Step-by-step explanation:
Since, y varies directly as x:
7) 5x – 3y – 4z = 24 5x + 3y + 5z = 27 4x - 3y + 5z = 28
1 answer:
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the x and y values makes both equations true
Explanation
a linear system is the set of 2 linear equations.
Step 1
the solution to a linear system is the coordiante where the line intersect, this coordiante satisfies both equations, then
the x and y values makes both equations true
