Basic Math Examples

$28 + n = 72 + 28$

Step 1

Add $72$ and $28$ .

$28 + n = 100$

Step 2

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

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Step 2.1

Subtract $28$ from both sides of the equation.

$n = 100 - 28$

Step 2.2

Subtract $28$ from $100$ .

$n = 72$