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What is 19a-3(a-6)=78

What is 19a-3(a-6)=78-example-1
User Bluemarble
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1 Answer

4 votes

Answer:

a = 3.75

Explanation:

First distribute the -3 to (a - 6), which gives you the equation, 19a - 3a + 18 = 78. Then subtract the 3a from 19a, which gives you 16a + 18 = 78. Then subtract 18 from both sides and you get 16a = 60. Divide 60 by 16 and you get 3.75 as your a.

User Ornella
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