Answer:
a = p/10 - (3 b)/10
Step-by-step explanation:
Solve for a:
p = 10 a + 3 b
p = 10 a + 3 b is equivalent to 10 a + 3 b = p:
10 a + 3 b = p
Subtract 3 b from both sides:
10 a = p - 3 b
Divide both sides by 10:
Answer: a = p/10 - (3 b)/10
