Algebra Examples

$y = 2 x - 3$ , $x = - 4$

Step 1

Replace all occurrences of $x$ in $y = 2 x - 3$ with $- 4$ .

$y = 2 (- 4) - 3$

$x = - 4$

Step 2

Simplify the right side.

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Step 2.1

Simplify $2 (- 4) - 3$ .

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Step 2.1.1

Multiply $2$ by $- 4$ .

$y = - 8 - 3$

$x = - 4$

Step 2.1.2

Subtract $3$ from $- 8$ .

$y = - 11$

$x = - 4$

$y = - 11$

$x = - 4$

$y = - 11$

$x = - 4$