Algebra Examples

$y - x = 16$ $x = 12$

Step 1

Replace all occurrences of $x$ with $12$ in each equation.

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Step 1.1

Replace all occurrences of $x$ in $y - x = 16$ with $12$ .

$y - (12) = 16$

$x = 12$

Step 1.2

Simplify the left side.

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Step 1.2.1

Multiply $- 1$ by $12$ .

$y - 12 = 16$

$x = 12$

$y - 12 = 16$

$x = 12$

$y - 12 = 16$

$x = 12$

Step 2

Reduce the system.

$y = 28, x = 12$