Algebra Examples

$7 + x + 2 = 9 + 3$

Step 1

Add $7$ and $2$ .

$x + 9 = 9 + 3$

Step 2

Add $9$ and $3$ .

$x + 9 = 12$

Step 3

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

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Step 3.1

Subtract $9$ from both sides of the equation.

$x = 12 - 9$

Step 3.2

Subtract $9$ from $12$ .

$x = 3$