Question

b. \\(-8x + 4 = 20 - 4x\\)

Explanation:

Add 4x to both sides

$$ -8x + 4 + 4x = 20 - 4x + 4x $$

$$ -4x + 4 = 20 $$

Subtract 4 from both sides

$$ -4x + 4 - 4 = 20 - 4 $$

$$ -4x = 16 $$

Divide both sides by -4

$$ \frac{-4x}{-4} = \frac{16}{-4} $$

$$ x = -4 $$

Answer:

\(x = -4\)