Question

7 - 4w = 10w
What is variable w

Answer 1

$7 - 4w = 10w \\ \\ 7 = 10w + 4w \\ \\ 7 = 14w \\ \\ \frac{7}{14} = w \\ \\ \frac{1}{2} = w \\ \\ w = \frac{1}{2}$

The final result is: w = 1/2 or w = 0.5.