3 years ago

Solve for r. –7r = –8r − 20 r =

Mathematics

2 answers:

victus00 [196]3 years ago

8 0

Answer:

$\boxed{r = -20}$

Step-by-step explanation:

$= > - 7r = - 8r - 20 \\ \\ = > - 7r + 8r = - 20 \\ \\ = > 8r - 7r = - 20 \\ \\ = > r = - 20$

attashe74 [19]3 years ago

6 0

Answer:

r = -20

Step-by-step explanation:

–7r= –8r−20

<em>Add 8r to both sides</em>

r = -20

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