How do I show this using algebra tiles

answer:

-6x=-30

-6/-6x=-30/6

x=-6

therefore the correct answer is negative

dilation scale factor 2: starting with δabc, draw the dilation image of the triangle with a center at the origin and a scale factor of two. notice that every coordinate of the original triangle has been multiplied by the scale factor (x2). dilation with scale factor 2, multiply by 2.