3 years ago

Help plzzzzzzzzzzzzzzzzzzzzzzzzzzzz...

Mathematics

1 answer:

Xelga [282]3 years ago

4 0

Answer:

r=-3

Step-by-step explanation:

−18=9r+9

Step 2: Flip the equation.

9r+9=−18

Step 3: Subtract 9 from both sides.

9r+9−9=−18−9

9r=−27

Step 4: Divide both sides by 9.

9r /9 =-27/9

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