Solve: 3(x + 5) = 2x + 35 step 1: 3x + 15 = 2x + 35 step 2: 5x + 15 = 35 step 3: 5x = 20 step 4: x = 4 which is the first incorrect step in the solution shown below?

Atheater wants to build movable steps that they can use to go on and off the stage. they want the steps to have enough space inside so they can also be used to store props. how much space is inside the steps?

The lengths of all sides of a triangle are integers when measured in decimeters. one of the sides has length of 1 dm and another of 3 dm. find the perimeter of the triangle.'

How do the definitions, properties, and postulates you've learned about line segments, parallel lines, and angles to define the shapes of polygons