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Help please?
thx -2 questions

Help please? thx -2 questions-example-1

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1) square both sides
x-5 = 16
add 5 to both sides
x = 21

2) square both sides
2x+15 = x+10
subtract x from both sides
x+15=10
subtract 15 from both sides
x= -5
User Rakesh Shetty
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