Question

find the sum of 2 x minus 5 Y + 7 is 8 and 7 x minus 2 Y + 5 z​

Answer 1

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Answer 2

Answer:

2x-5y+7=8~eq.1

7x-2y+5z=0~eq.2

eq 1+eq 2

or,2x+7x-5y-2y+5z+7=8+0

or,9x-7y+5z-1=0

Step-by-step explanation: