Answer:
Deffinition of linniar pairs of angles, and Deffinition of supplimentary angles
Step-by-step explanation:
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1/2X+4=X-4
1/2X+8=X
8=1/2X
16=X
(Pick one of the equations )
y=1/2X+4
y=(1/2)(16)+4
y=12
point: (16,12)
3
step by step explanation:
3-1 = 2
