Answer:
x = 9
Step-by-step explanation:
6x - 25 + 4x = 45 + 3x - 7
10x-25=38+3x
7x=63
x=9
first 6x-25+4 at x=9
6(9)-25+4(9)=65°
second 45+3x-7 at x=9
25+3(9)-7=65°
