Answer:
a = [tex]\frac{w + 4 - 3b}{6}[/tex]
Step-by-step explanation:
Given
w = 3(2a + b) - 4 ( add 4 to both sides )
w + 4 = 3(2a + b) ← distribute parenthesis
w + 4 = 6a + 3b ( subtract 3b from both sides )
w + 4 - 3b = 6a ( divide both sides by 6 )
[tex]\frac{w+4-3b}{6}[/tex] = a
