Algebra Examples

$y = \sqrt{49} - 10$

Step 1

Simplify each term.

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Step 1.1

Rewrite $49$ as $7^{2}$ .

$y = \sqrt{7^{2}} - 10$

Step 1.2

Pull terms out from under the radical, assuming positive real numbers.

$y = 7 - 10$

Step 2

Subtract $10$ from $7$ .

$y = - 3$