Does anyone know matrices? If A = and B =
Solve for the matrix X when X·A = B

I have the answer in front of me but I have no idea how to get there ;-;
Would give thanks and brainliest for a correct explanation

Every weekday, mr. jones bikes from his home to his job. sometimes he rides along two roads, the long route that is shown by the solid lines. other times, he takes the shortcut shown by the dashed line. how many fewer kilometers does mr. jones bike when he takes the shortcut instead of the long route?