Answer:
43) i cant see which one is in bold but x=10
44) x=5 22x is bold so it's A) 110º
45) x=6 14x+6 is bold so it's D) 90º
46) x=6 6+14x is in bold so it's B) 90º
47) x=-9 x+74 is in bold so it's E) 65º
Step-by-step explanation:
3x+15+14x-5=180 10=x
21x+5=22x 5=x
14x+6+15x=180 6=x
6+14x=16x-6 6=x
x+74+x+124=180 -9=x
