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Tpy6a [65]
3 years ago
13

3a+b=54 when b=9 what is the value of a

Mathematics
2 answers:
Gwar [14]3 years ago
7 0
Answer: a = 15

3a + 9 = 54

3a = 54 - 9

a = \frac{54-9}{3}

a = \frac{45}{3}

a = 15
inna [77]3 years ago
6 0
54-9=45
45/3a=15
a=15 hope this helps
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