Mark (✓) against the correct answer

If 8(2x − 5) − 6(3x − 7) = 1, then x = ?

(a) 2
(b) 3
(c) $\frac{1}{2}$
(d) $\frac{1}{3}$

Open in App

Solution

$\begin{array}{l} (c) \frac{1}{2} \\ We have: \\ 8 (2 x - 5) - 6 (3 x - 7) = 1 \\ \Rightarrow 16 x - 40 - 18 x + 42 = 1 \\ \Rightarrow - 2 x + 2 = 1 \\ \Rightarrow - 2 x = 1 - 2 \\ \Rightarrow - x = - \frac{1}{2} \\ \Rightarrow x = \frac{1}{2} \end{array}$

Suggest Corrections

Similar questions

\frac{x - 2}{3} = \frac{2 x - 1}{3} - 1,

\frac{2 x - 1}{3} = \frac{x - 2}{3} + 1,

\frac{x}{2} - 1 = \frac{x}{3} + 4,

\frac{x - 1}{x + 1} = \frac{7}{9},

\frac{2}{5}

\frac{2}{3}

Join BYJU'S Learning Program