Which correctly gives the expression using addition? - 18.6 - 31.5

a. - 18.6+31.5

b. 18.6+31.5

c. 18.6 + (-31.5)

d. - 18.6 + (-31.5)

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2 February, 20:23

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Graham Gill · Answer 1

D because a negative plus a negative is the same as a negative minus an integer due to multiplication

Which correctly gives the expression using addition? - 18.6 - 31.5a. - 18.6+31.5b. 18.6+31.5c. 18.6 + (-31.5)d. - 18.6 + (-31.5)