The image presents a series of algebraic equations. I will solve problem number 41, which asks to solve the equation $\frac{5-7a}{3} = 2$.

AlgebraLinear EquationsSolving EquationsVariables
2025/7/1

1. Problem Description

The image presents a series of algebraic equations. I will solve problem number 41, which asks to solve the equation 57a3=2\frac{5-7a}{3} = 2.

2. Solution Steps

To solve for aa, we need to isolate aa on one side of the equation.
First, multiply both sides of the equation by 3:
\frac{5-7a}{3} \times 3 = 2 \times 3
5 - 7a = 6
Next, subtract 5 from both sides of the equation:
5 - 7a - 5 = 6 - 5
-7a = 1
Finally, divide both sides of the equation by -7:
\frac{-7a}{-7} = \frac{1}{-7}
a = -\frac{1}{7}

3. Final Answer

a=17a = -\frac{1}{7}

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