26.7 – 6.3(6x – 10.1)26.7 – 37.8x – 63.63-37.8x – 36.93what was the mistake

Ijust need to see how to do this. so you don’t have to answer all of them just a step by step explanation of one.

21 type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar. the solution set of n2 - 14n = -45 is { (separate the solutions with a comma)

Which of the following best describes the figure?