Answer:
3c=3p-3
3c-D=3p-3-(-3p+1)
=6p-4
Step-by-step explanation:
step by step explaination
this is u r answer
∠A= 80°
if they are supplementary then put them equal to 180
7x + 3 +7x + 23 = 180
14x + 26 = 180
14x = 154
x= 11
now plug in
7(11)+3
77+3= 80
