Question

Find : -(90)+(45)-(+30) -(+40)​

Answer 1

-(90)+(45)-(+30) -(+40) = -115

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Answer 2

Answer:

-(90)+(45)-(+30) -(+40)

without bracket

-90+45-30-40

(-×+ = -)

(-×- = +)

-90-45-70

-90-70-45

160-45

-115