#### Answer

x = $\frac{2}{3}$

#### Work Step by Step

3(2 - 5x) + 4(6x) = 12
Apply distributive property:
3(2) + 3(-5x) + 4(6x) = 12
Simplify:
6 - 15x + 24x = 12
6 + 9x = 12
Subtract 6 from both sides:
9x = 6
Divide both sides by 9:
x = 6/9 = $\frac{2}{3}$