How do you evaluate $7( - 4) + 9( - 5)$ ?

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Answer 1 · 2018-03-10T08:36:03

$-73$

First, get the multiple values of the terms (solve the two terms beside the mathematical operation)

$7(-4) = -28$

$9(-5) = -45$

Then add these two terms since both are negative values. and add the $-$ sign in front of the answer because both the terms are negative.

$-28 + (-45) = -73$

$(-) + (-) =$ add and put $(-)$ infront of the answer.
$(-) + (+) =$ subtract and put the sign of the highest term.

For example:

$(-4) + 6 = 2$

(here $6 > 4$ . Since $6$ has a $+$ sign, we put a $+$ sign for the answer)

$(-6) + 4 = -2$

(here $6 > 4$ . Since $6$ has a $-$ sign, we put a $-$ sign for the answer)

How do you evaluate 7( - 4) + 9( - 5)7( - 4) + 9( - 5)?