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gavmur [86]
3 years ago
11

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

Mathematics
1 answer:
Ivan3 years ago
5 0

Answer:

a = 3.75

Step-by-step 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.

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