Hello, Please help me with my homework, and I don't want any nonsense answers for example: hello how r u,and like this- igyhgih etc.and, if u can do these questions please answer correctly with proper explanation.. I will also mark brainliest.
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12. let the number added be x
(3/4+2/5)+x = -8/15
15+8/20+x=-8/15
23/20+x=-8/15
-x=8/15+23/20
-x=0.5+1.15
-x=1.2
=>x=-1.2
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