3 years ago

Can anyone help me with this question ?

Mathematics

1 answer:

TEA [102]3 years ago

8 0

Answer:

addition

Step-by-step explanation:

18 ( d - 9 ) = 198

divide both side by 18

d - 9 = 198

3 18

d - 9 = 11

multiply both sides by 3

d - 27 = 33

add 27 to both sides

d = 33 + 27

lastly, add them together

d = 60

therefore, the last step is addition

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