For each of the following, tell whether the expressions are equivalent expressions or not equivalent expressions. TY <3 1. 16b + 7a - c and 7a + (-c) + 16b
Equivalent expressions or not equivalent expressions?

2. 5y + (-4) and 4 + (-5y)
Equivalent expressions or not equivalent expressions?

3. x + x + 3 - y + 2x - 1 + 6y and 4x + 5y + 2
Equivalent expressions or not equivalent expressions?

Graph the system of inequalities presented here on your own paper, then use your graph to answer the following questions: y > 2x + 3y is less than negative 3 over 2 times x minus 4part a: describe the graph of the system, including shading and the types of lines graphed. provide a description of the solution area. (6 points)part b: is the point (â’4, 6) included in the solution area for the system? justify your answer mathematically. (4 points)