Question

Solve p= 10a+3b for a.

Answer 1

a = p/10 - (3 b)/10

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