hi i will mark brainliest if at least 2 are done:)

Answer:
[tex]3x+18x+5x-2=180\\26x-2=180\\26x=182\\X=7[/tex]
[tex]<D=21\\<E=126\\<F=33\\[/tex]
[tex]16x+13x+16x=180\\45x=180\\X=4\\[/tex]
[tex]<G=64\\<H=64\\<I=52\\[/tex]
[tex]X+8+6x-5+2x-3=180\\9x=180\\X=20\\[/tex]
[tex]<J=28\\<K=115\\<L=37\\[/tex]
Step-by-step explanation: