Posted by **Bart** on Friday, October 19, 2012 at 1:43pm.

(2v-7)^(1/2)=v-3

- Algebra 2 -
**Steve**, Friday, October 19, 2012 at 2:46pm
do this one just like Reiny showed you earlier on

(18-n)^(1/2)=(n/8)^(1/2)

- Algebra 2 -
**Bart**, Friday, October 19, 2012 at 2:52pm
I tried to but I could not get it. Please help me.

- Algebra 2 -
**Steve**, Friday, October 19, 2012 at 3:02pm
ok - first square both sides

(2v-7) = (v-3)^2

2v - 7 = v^2 - 6v + 9

v^2 - 8v + 16 = 0

(v-4)^2 = 0

v = 4

check:

√(8-7) = 4-3

yes

- Algebra 2 -
**Anonymous**, Friday, October 19, 2012 at 3:46pm
Thank you!

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