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## anonymous one year ago Solve the equation the square root of the quantity x plus 4 minus 3 equals 1 for the variable. Show each step of your solution process.

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1. anonymous

|dw:1436741205393:dw|

2. freckles

try isolating the square root part by first adding the 3 on both sides

3. freckles

you should then be ready to square both sides in order to cancel out the square root part

4. marihelenh

$\left( \sqrt{x+4} \right)^{2}=\left( 4 \right)^{2}$

5. anonymous

so the answer would be x=0?

6. anonymous

@freckles

7. marihelenh

If you were to do the previous equation, you would get $x+4=16$

8. marihelenh

Then just subtract across and get x and finish with a check.

9. anonymous

oh yes i forgot to square it thanks

10. anonymous

so x=12

11. marihelenh

Yep! And it checks.

12. anonymous

thank you @marihelenh

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