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Sagot :

[tex]\begin{gathered} \frac{z}{5}-5=3\cdot\frac{2}{3} \\ 3\cdot\frac{2}{3}=\frac{9+2}{3}=\frac{11}{3} \\ \frac{z}{5}-5=\frac{11}{3} \\ \text{add 5 to both sides} \\ \frac{z}{5}-5+5=\frac{11}{3}+5 \\ \frac{z}{5}=\frac{26}{3} \\ \text{Multiply both sides by 5:} \\ 5\times\frac{z}{5}=5\times\frac{26}{3} \\ z=\frac{130}{3} \end{gathered}[/tex]

Awesome :), thanks for your patience. anything else I can help with? sure, I will help you with one more, alright, give me a moment to solve it

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[tex]\begin{gathered} \text{Distributive property:} \\ a(b\pm c)=a\cdot b\pm a\cdot c \\ 48-(3c+4)=4(c+7)+c \\ 48-3c-4=4c+28+c \\ 48-3c-4=5c+28 \\ 44-3c=5c+28 \\ \text{Add 3c to both sides} \\ 44-3c+3c=5c+28+3c \\ 44=8c+28 \\ \text{subract 28 from both sides:} \\ 44-28=8c+28-28 \\ 16=8c \\ \text{Divide both sides by 8:} \\ \frac{16}{8}=\frac{8c}{8} \\ c=2 \end{gathered}[/tex]

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