The same rule is used for addition/subtraction. answer each question below.
-13 + 4 - 18 =
) +(-6) =

Step-by-step explanation:

Use PEMDAS:

PParentheses first

EExponents (ie Powers and Square Roots, etc.)

MDMultiplication and Division (left-to-right)

AS Addition and Subtraction (left-to-right)

and

(-)(-) = (+), (-)(+) = (+)(-) = (-), (+)(+) = (+)

-13 + 4 - 18 = (-13 + 4) - 18 = -9 - 18 = -27

12 - (-9) + (-6) = 12 + 9 - 6 = 21 - 6 = 15

answer is 67%

step-by-step explanation:

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step-by-step explanation:

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