Answer:
48 degrees.
Step-by-step explanation:
you must set the two equations equal to 92 because 180-88 equals 92.
9x+3+8x+4=92.
now you have to bring over the 3 and 4, and subtract them from 92.
that gives you 9x+8x=85.
add 9 and 8 to get 17x.
now you need to divide to get x by itself, so divide both sides of the equation by 17.
17/17 cancels itself out leaving just x.
85/17 gives you 5.
therefore x=5.
you have to plug that back into your equation 9x+3, giving you 9(5)+3.
solve that in order, 9(5) = 45. then you have to add the 3, giving you your final answer of 48 degrees.
