They are vertical angles meaning 142 is equal to 3x + 22. Put them equal to each other and solve for x.
30.31 because of u do 29-4.37 then u add 5.68 and that's how u get your answet
use distributive property
0.5 x -10 = -5
0.5 x k = 0.5k
0.5(-10 + k) = 0.5k -5