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Mathematics

2 answers:

ivanzaharov [21]2 years ago

9 0

Answer:

Answer is: (9)

Step-by-step explanation:

105+(8v+3)=180

(8v+3)=75

8v=72

v=9

OLEGan [10]2 years ago

4 0

105 + 105 = 210
opposite angels are the same
(8v + 3 ) + ( 8v+ 3)= 16v + 6
210 + 16v + 6 = 216 + 16 v
216 + 16v = 360
360 - 216 = 144
16 v = 144
v = 9

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