Answer: -20
Explanation:
First, rewrite the equation plugging in the variables‘ given values.
(-12 * 5) - (4 * -3) + 19 - (3 * -3)
Next simplify everything in parentheses.
-60 - (-12) + 19 - (-9)
Subtracting a negative makes a positive, so:
-60 + 12 + 19 + 9
Finally combine like terms.
-20
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