Chapter 1.1, Problem 34E

In Exercises 1-6, determine which equations are linear equations in the variables x, y, and z. If any equation is not linear, explain why not. 1.

Solve for x and be sure to show Left side = Right side and Legal Moves. 7) Show all work. (Hint: Use Algebra tiles if neccessary). %3D a) 3x - 2-(2x + 5) + 3 = 2x - (4) b) 2x + 18 - (4x - 9-x2 + y2 + 6) = x2 + x - 3 - ( y? - 6) %3D

3x + 5y = 4 4 --X- 3 (х, у) %3 1. %3D