Algebra Examples

$x + 3 = \sqrt{16}$

Step 1

Simplify $\sqrt{16}$ .

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Step 1.1

Rewrite $16$ as $4^{2}$ .

$x + 3 = \sqrt{4^{2}}$

Step 1.2

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

$x + 3 = 4$

Step 2

Move all terms not containing $x$ to the right side of the equation.

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Step 2.1

Subtract $3$ from both sides of the equation.

$x = 4 - 3$

Step 2.2

Subtract $3$ from $4$ .

$x = 1$