Answer:
y = 178° - 14x
Step-by-step explanation:
[tex](6x + 12) + (8x + 10) + y = {180}^{o} \\ 6x + 12 + 8x + 10 + y = {180}^{o} \\ 14x + y + 12 - 10 = {180}^{o} \\ 14x + y + 2 = {180}^{o} \\ 14x + y = {180}^{o} - 2 \\ 14x + y = {178}^{o} \\ y = {178}^{o} - 14x \\ [/tex]
