How many solutions does 3 - 2x = 5 -x+ 3 + 4x have

Will gve pints stars and brainliest

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?

The formula for the volume of a right square pyramid is given below, where a is the side length of the base and h is the height.