3 years ago

Can y’all plz help me

Mathematics

2 answers:

Ksenya-84 [330]3 years ago

7 0

2r-9=-18
+9 +9
2r= -9
The answer is r=-9

Sever21 [200]3 years ago

7 0

Answer: 4.5

Step-by-step explains: 1) 2r - 9 = -18

2r - 9 + 9 = -18 + 9

2) ( 9 + 9 ) Add the numbers

( -18 + 9 ) add the numbers

2r = -9

3) Divide both sides of the equation by the same term

4) Cancel terms that are in both the numerator and denominator

r = 9/2 = 4.5

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