Question

two triangles are similar. what is the value of x?

Answer 1

The ratio of corresponding parts are equal:

$\dfrac{5x-2}{12} = \dfrac{6x}{12 + 4}$

$16(5x-2)=12(6x)$

$80x - 32 = 72x$

$8x = 32$

$x=4$

Answer: 4