Add the three angles and set them to 180
4x-13+15+x+18=180
5x+20=180
5x=160
x=32
Then plug in to get A and C
A=4*32-13
A=115
C=32+18
C=50
Y - 3 = 4x + 8
y = 4x + 11
slope = 4
Answer:
x=-7
Step-by-step explanation:
ur welcome
Answer:
x = 25
y = 25
Step-by-step explanation:
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