Answer:
this is what I got yeah lol
[tex](2x + 10) + (4x + 20) = 180^{o} [/tex]
[tex]6x + 30 = {180}^{o} [/tex]
[tex]6x = {180}^{o} - 30[/tex]
[tex]6x = {1 50}^{o} [/tex]
[tex]x = {150}^{o} \div 6[/tex]
[tex]x = {25}^{o} [/tex]
