- Choice F$$3(a+6b)=c \\ $$ $$\Rightarrow a+6b=\frac{c}{3} \\$$ $$ \Rightarrow a=\frac{c}{3}-6b$$
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- Choice F$$3(a+6b)=c \\ $$ $$\Rightarrow a+6b=\frac{c}{3} \\$$ $$ \Rightarrow a=\frac{c}{3}-6b$$
## Skills you are tested for:

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