Question: top-left: $\frac{4}{5} x + \frac{6}{7} = 6x + \frac{97}{3}$
1. **State the problem:** Solve the equation $$\frac{4}{5} x + \frac{6}{7} = 6x + \frac{97}{3}$$ for $x$.
2. **Write down the equation:** $$\frac{4}{5} x + \frac{6}{7} = 6x + \frac{97}{3}$$
3. **Goal:** Isolate $x$ on one side.
4. **Subtract $6x$ from both sides:**
$$\frac{4}{5} x - 6x + \frac{6}{7} = \frac{97}{3}$$
5. **Combine like terms for $x$:**
$$\frac{4}{5} x - 6x = \frac{4}{5} x - \frac{30}{5} x = \left(\frac{4}{5} - \frac{30}{5}\right) x = -\frac{26}{5} x$$
So the equation becomes:
$$-\frac{26}{5} x + \frac{6}{7} = \frac{97}{3}$$
6. **Subtract $\frac{6}{7}$ from both sides:**
$$-\frac{26}{5} x = \frac{97}{3} - \frac{6}{7}$$
7. **Find common denominator for right side:**
The denominators are $3$ and $7$, common denominator is $21$.
$$\frac{97}{3} = \frac{97 \times 7}{21} = \frac{679}{21}$$
$$\frac{6}{7} = \frac{6 \times 3}{21} = \frac{18}{21}$$
So,
$$\frac{97}{3} - \frac{6}{7} = \frac{679}{21} - \frac{18}{21} = \frac{661}{21}$$
8. **Rewrite equation:**
$$-\frac{26}{5} x = \frac{661}{21}$$
9. **Divide both sides by $-\frac{26}{5}$:**
$$x = \frac{\frac{661}{21}}{-\frac{26}{5}} = \frac{661}{21} \times \frac{5}{-26} = - \frac{661 \times 5}{21 \times 26}$$
10. **Calculate numerator and denominator:**
$$661 \times 5 = 3305$$
$$21 \times 26 = 546$$
So,
$$x = - \frac{3305}{546}$$
11. **Simplify fraction:**
Find gcd of $3305$ and $546$.
- $3305 = 5 \times 661$
- $546 = 2 \times 3 \times 7 \times 13$
No common factors, so fraction is in simplest form.
**Final answer:**
$$x = - \frac{3305}{546}$$