Question

What is
-7 + square root of 5 -x = 18​

Answer 1

the ans is -620

Explanation:

-7+√(5-x)=18

or,√(5-x)=18+7

or,√(5-x)=25

squaring on both sides,

or,(√5-x)²=25²

or,5-x=625

or,x=-620