Answer:
x = 14, y = 12
Step-by-step explanation:
We know that the angles [tex](2x+7)[/tex] and [tex](3x-7)[/tex] are equal. We also know that they are equal to [tex]180-(12y+1)[/tex]. Therefore, when we set up the equality and substitute (14, 12):
[tex]2x+7=180-(12y+1)\\2(14)+7=180-[12(12)+1]\\28+7=180-(144+1)\\35=180-145\\35=35[/tex]
Therefore, the solution is x = 14, y = 12.
