How do you find the sum $- 12 + 18 + (- 12)$ $-12+18+(-12)$ ?

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Answer 1 · 2017-01-04T14:15:45

$- 6$ $-6$

$- 1 \times - 1 = + 1$ $-1 xx -1 = +1$

$+ 1 \times - 1 = - 1$ $+1 xx -1 =-1$

$- 12 + 18 + (- 12)$ $-12+18+(-12)$

#6-12=-6

$t h e p l u s b$ $the plus b$

The plus sign before the bracket and the minus sign after
the bracket means it's a plus $\times$ $xx$ a minus sign.

How do you find the sum −12+18+(−12)-12+18+(-12)?