Question

if 7p+5q-3=0,then find p if q=-1
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Answer 1

ATQ,

7p +5(-1) -3=0

7p-5-3=0

7p=8

p=8/7

Answer 2

7p+5(-1)-3=0

7p-5-3=0

7p-8=0

7p=8

p=8/7