solve

square root 2x-5 =7
the 2x -5 is under the sqaure

square root ( 2 x - 5 ) = 7 Square both sides

2 x - 5 = 49 Add 5 to both sides

2 x - 5 + 5 = 49 + 5

2 x = 54 Divide both sides by 2

x = 54 / 2

x = 27