Question

Slesson 1 integers exercise 1.1 what is the sum ofsum of bracket - 18 bracket close and 12 ​

Answer 1

Answer:

--6

Step-by-step explanation:

$( - 18) + 12.$

+. - =-

$= - 18 + 12 \\ = 18 - 12 \\ = - 6 \\ \\ \\ 6 \: \: will \: be \: negative \: because \\ the \: rule \: of \: additon \: is \: that \: after \: addition \: the \: sum \: will \: depend \: on \: \\ from \: two \: numbers \: which \: number \: is \: greater \: \\ if \: the \: greater \: number \: i s \: positive \: the \: sum \: will \: remain \: positive \\ if \: the \: greater \: number \: is \: negative \: the \: sum \: will \: be \: negative \\ \\ \\ \\ in \: this \: case \: the \: greater \: number \: is \: negative18 \: so \: the \: sum \: is \: \: \: \\ = negative \: 6$

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