How do you solve #3sqrt(3x-1)=21#? Algebra Radicals and Geometry Connections Radical Equations 1 Answer Trunks B. · Tony B · Stefan V. Mar 7, 2018 Answer: #x=50/3# Explanation: Divide both sides by 3 #sqrt(3x-1) = 7# Square both sides and it becomes: #3x-1 = 49# Add one to both sides #3x=50# Divide both sides by 3 #x=50/3# Related questions How do you solve radical equations? What are Radical Equations? How do you solve radical equations with cube roots? How do you find extraneous solutions when solving radical equations? How do you solve #\sqrt{x+15}=\sqrt{3x-3}#? How do you solve and find the extraneous solutions for #2\sqrt{4-3x}+3=0#? How do you solve #\sqrt{x^2-5x}-6=0#? How do you solve #\sqrt{x}=x-6#? How do you solve for x in #""^3sqrt(-2-5x)+3=0#? How do you solve for x in #sqrt(42-x)+x =13#? See all questions in Radical Equations Impact of this question 203 views around the world You can reuse this answer Creative Commons License