Question

thanks

Answer 1

a) \(\Rightarrow x=\dfrac{27.6,88}{12}=\dfrac{387}{25}\)

b) \(\Rightarrow x=\dfrac{0,2.5}{20}=\dfrac{1}{20}\)

c) \(\Rightarrow x-1=\dfrac{24,5.5}{8,75}=14\Rightarrow x=15\)

d) \(\Rightarrow7x+42=2x+8\)

\(\Rightarrow5x=-34\Rightarrow x=-\dfrac{34}{5}\)