Answer:
is there a multipe choice?
Answer: the answer is -52
Step-by-step explanation: hope that helped
1.8
Step-by-step explanation:
x=10
43 and (4x+3) are vertical angles, which mean they are equal
so, 43=(4x+3)
43-3=(4x+3-3)
40=(4x)
40/4=4x/4
10=x