Question

(sq. root sign) x+3=10

Answer 1

is it \(\sqrt x+3=10 \\or,\sqrt {x+3}=10 \)

Answer 2

the second one

Answer 3

square both sides, what u get ?

Answer 4

so it would be 103?

Answer 5

did you get x+3 =100 ?

Answer 6

yes and the add three to both sides and x = 103? right

Answer 7

no, x+3 =100
to isolate 'x' , we need to SUBTRACT 3 from both sides, then what u get ?

Answer 8

oh okay so it is 97

Answer 9

that is where I get confused is whether to add or subtract

Answer 10

yes.

Answer 11

x+3 =100
since 3 is ADDED to x, we do inverse operation of SUBTRACTION to isolate x
since, x+3-3 = x+0 = x

Answer 12

oh okay thank you I think I got it

Answer 13

welcome ^_^