On a coordinate plane, triangle uvw has coordinates u(20, -12), v(8,6), and w(-24,-4). tianghle u'v'w' has coordinates u'(15, -9), v'(6,4.5), and w'(-18,-3). dilation or not? explain.

Girardo is using the model below to solve the equation . girardo uses the following steps: step 1 add 4 negative x-tiles to both sides step 2 add 1 negative unit tile to both sides step 3 the solution is which step could be adjusted so that gerardo's final step results in a positive x-value? in step 1, he should have added 4 positive x-tiles to both sides. in step 1, he should have added 3 negative x-tiles to both sides. in step 2, he should have added 4 negative unit tiles to both sides. in step 2, he should have added 1 positive unit tile to both sides.