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Help me with math pls . Please show work

Help Me With Math Pls Please Show Work class=

Sagot :

Step-by-step explanation:

1 + 6r + r - 6

1 + (6r + r) - 6

1 + (7r) - 6

1 - 6 + (7r)

-5 + (7r)

= -5 + 7r