Algebra Examples

$y + 9 - x$ ; use $x = 1$ ; and $y = 3$

Step 1

Replace the variable $x$ with $1$ in the expression.

$y + 9 - (1)$

Step 2

Replace the variable $y$ with $3$ in the expression.

$(3) + 9 - (1)$

Step 3

Multiply $- 1$ by $1$ .

$(3) + 9 - 1$

Step 4

Add $3$ and $9$ .

$12 - 1$

Step 5

Subtract $1$ from $12$ .

$11$