Algebra Examples

$28 = 8 x + 12 - 7 x$

Step 1

Rewrite the equation as $8 x + 12 - 7 x = 28$ .

$8 x + 12 - 7 x = 28$

Step 2

Subtract $7 x$ from $8 x$ .

$x + 12 = 28$

Step 3

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

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Step 3.1

Subtract $12$ from both sides of the equation.

$x = 28 - 12$

Step 3.2

Subtract $12$ from $28$ .

$x = 16$