Answer:
C = [tex]\frac{3L+120}{4}[/tex]
Step-by-step explanation:
Given
L = [tex]\frac{4}{3}[/tex](C - 30)
Multiply through by 3 to clear the fraction
3L = 4(C - 30) ← distribute
3L = 4C - 120 ( add 120 to both sides )
3L + 120 = 4C ( divide both sides by 4 )
[tex]\frac{3L+120}{4}[/tex] = C