Evaluate Using the Given Value 5a+5b ; a=-6 , b=-5

$5 a + 5 b$ ; $a = - 6$ , $b = - 5$

Replace the variable $a$ with $- 6$ in the expression.

$5 (- 6) + 5 b$

Replace the variable $b$ with $- 5$ in the expression.

$5 (- 6) + 5 (- 5)$

Simplify each term.

Multiply $5$ by $- 6$ .

$- 30 + 5 (- 5)$

Multiply $5$ by $- 5$ .

$- 30 - 25$

Subtract $25$ from $- 30$ .

$- 55$