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Please see attachment this makes no sense to me! (-7) + (2) = -5 in my world - oh woops - its (-7) - (2) = -9 which does makes sense

Please see attachment this makes no sense to me! (-7) + (2) = -5 in my world - oh woops - its (-7) - (2) = -9 which does makes sense
asked 226k views
3 votes
Please see attachment

this makes no sense to me!


(-7) + (2) = -5 in my world

- oh woops - its (-7) - (2) = -9 which does makes sense

Please see attachment this makes no sense to me! (-7) + (2) = -5 in my world - oh-example-1
asked
User Paperhorse
by
9.0k points

1 Answer

7 votes
it’s all about substitution. you need to substituse (1,5) so 1 is x and 5 is y. you put it as 7(1) - 2(5) = -5 and you solve
answered
User Smash
by
8.6k points
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