SOLUTION: Square root 2x+7= Square root 5x-8
Algebra
->
Square-cubic-other-roots
-> SOLUTION: Square root 2x+7= Square root 5x-8
Log On
Algebra: Square root, cubic root, N-th root
Section
Solvers
Solvers
Lessons
Lessons
Answers archive
Answers
Click here to see ALL problems on Square-cubic-other-roots
Question 301255
:
Square root 2x+7= Square root 5x-8
Answer by
checkley77(12844)
(
Show Source
):
You can
put this solution on YOUR website!
Square root 2x+7= Square root 5x-8
square both sides.
2x+7=5x-8
2x-5x=-8-7
-3x=-15
x=-15/-3
x=5 ans.
Proof:
sqrt(2*5+7)=sqrt(5*5-8)
sqrt(10+7)=sqrt(25-8)
sqrt17=sqrt17