### Home > CCAA8 > Chapter 10 Unit 11 > Lesson CCA: 10.3.1 > Problem10-110

10-110.

Which of the equations below is equivalent to $4(3x−1)+3x=9x+5$? More than one may be equivalent. Justify your answer.

Write out the steps for solving the original equation. Which of the equations match one of your steps?

1. $12x−4+3x=9x+5$

1. $12x−1+3x=9x+5$

1. $11x=14x$

1. $15x−4=9x+5$