# Math- Algebra II

posted by
**Lala** on
.

Please check if I did this right...

√(2x+1)+7= 3

-7 -7

√(2x+1)= -4

Square everything

√(2x+1)^2= -4^2

2x+1=16

-1 -1

2x=15

divide by 2 on both sides

x=7.5

CHECK: (Plug it in)

√(2(7.5)+1)+7= 3

√(16)+7= 3

4+7=3

11 doesn't equal 3

so the answer is no solution? right?