Question

1. Joshua is trying to find the measure of the angle indicated in bold (-5+12x). His work is shown below and it

contains a mistake. Explain the mistake and then show the correct solution.
Note: when explaining the mistake, make sure to indicate how the solution is wrong AND how it needs to be
corrected.
Joshua's solution
-5 + 12x + 10x + 9 = 180
22x + 4 = 180
22x = 176
X=8


-5 + 12(8) = -5 + 96 = 919

Answer 1

apologies if you aren’t able to read the handwriting, i am open to answer any more questions you may have.