Answer:
Isolate a square root on the left-hand side
Eliminate the radical :-
Solve:-
Add 10 to both sides, then Divide both sides by 2:-
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Answer:5
Step-by-step explanation: root5a+2 +7a-8 = 0
squaring both side
5a+2=7a-8
8+2=7a-5a
10=2a
a=5
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