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Mathematics, 18.12.2020 18:50 Mikey3477

1. -2b+9-(-5b) 2.y+12-(5y)-(3y)
3.0.3z -13-4z+6.7
4.-5.2+8.2-7.8
5.-9c-(-2)-(12c)-(5)
please show work

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1. -2b+9-(-5b) 2.y+12-(5y)-(3y)
3.0.3z -13-4z+6.7
4.-5.2+8.2-7.8
5.-9c-(-2)-(12c)...

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