Answer:742
Step-by-step explanation:
Answer:
ASA
because (S)side is in the middle of 2 (A)angle
x/6-1=1/3(9-3x)
3(x-1) = 6(9-3x)
3x-3 = 54 - 18x
3x+18x=54+3
21x=57
X=57/21
good to know!
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