Algebra Examples

$x - 2 y = 0$ $x = 2 y$

Step 1

Replace all occurrences of $x$ with $2 y$ in each equation.

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Step 1.1

Replace all occurrences of $x$ in $x - 2 y = 0$ with $2 y$ .

$(2 y) - 2 y = 0$

$x = 2 y$

Step 1.2

Simplify the left side.

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Step 1.2.1

Subtract $2 y$ from $2 y$ .

$0 = 0$

$x = 2 y$

$0 = 0$

$x = 2 y$

$0 = 0$

$x = 2 y$

Step 2

Remove any equations from the system that are always true.

$x = 2 y$

Step 3