Finite Math Examples

$1 + 2 + 4 + n = 8$

Step 1

Simplify $1 + 2 + 4 + n$ .

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Step 1.1

Add $1$ and $2$ .

$3 + 4 + n = 8$

Step 1.2

Add $3$ and $4$ .

$7 + n = 8$

Step 2

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

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Step 2.1

Subtract $7$ from both sides of the equation.

$n = 8 - 7$

Step 2.2

Subtract $7$ from $8$ .

$n = 1$