Question

5)6x+3-2(x-5)=30

6)8(x-1/8)-5(x-1/5)=10

7)13x-5-2(x+3)=1

Answer 1

* \(6x+3-2\left(x-5\right)=30\)

\(\Rightarrow6x+3-2x+10=30\)

\(\Rightarrow4x=17\Leftrightarrow x=\frac{17}{4}\)

* \(8\left(x-\frac{1}{8}\right)-5\left(x-\frac{1}{5}\right)=10\)

\(\Rightarrow3\left(x-\frac{1}{5}\right)=10\)

\(\Rightarrow x-\frac{1}{5}=\frac{10}{3}\)

\(\Rightarrow x=\frac{10}{3}+\frac{1}{5}=\frac{53}{15}\)

* \(13x-5-2\left(x+3\right)=1\)

\(\Rightarrow13x-5-2x-6=1\)

\(\Rightarrow11x=12\Leftrightarrow x=\frac{12}{11}\)