Pre-Algebra Examples

$82 = 31 + k$

Step 1

Rewrite the equation as $31 + k = 82$ .

$31 + k = 82$

Step 2

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

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Step 2.1

Subtract $31$ from both sides of the equation.

$k = 82 - 31$

Step 2.2

Subtract $31$ from $82$ .

$k = 51$