You remove four fuses of 10, 20, 30, and 30 amperes each, but you do not mark the corresponding circuits. If you insert the fuse
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Answer:
x=-2.25,y=-2.25
Step-by-step explanation:
The given system is
We want to solve the system for x and y that makes the system true.
Let us multiply the first equation by 3 while maintaining the second equation:
Subtract the current second equation from the first one.
Divide through by 12:
From the second equation we have:
This implies that:
Step-by-step explanation:
here ( + ) × ( - ) = ( - )