Question 519668
You need to square the whole darn thing and it removes the radical signs
1x+4+2x-1=7x+1 and simplify
Combine like terms
3x+3=7x+1 (subtract 7x from each side)
-4x+3=1 (subtract 3 from each side)
-4x=-2 (divide both sides by -4)
x=-2/4, reduces to
x=-1/2
I hope this helps! :-)