### Home > PC3 > Chapter 2 > Lesson 2.3.2 > Problem2-145

2-145.

​​As the connected complexity of mathematical concepts evolve, your mathematical knowledge evolves as well. Previous knowledge provides the necessary skills to acquire new learning. If necessary, review the Solving Linear and Quadratic Equations Skill Builder, to strengthen your understanding of this topic.

Solve each of the following equations for $x$.

1. $3(x-2)+4x=-4x+3$

1. $y=ax-bx+3$

1. $x^2-7x+7=5x+8$

1. $3x^2-1=-5x+1$

Answers and extra practice for the Skill Builder problems are located in the Reference Tab of your eBook.