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Andrei [34K]
3 years ago
15

Really confused with this problem. It would be great if someone could help

Mathematics
1 answer:
Vitek1552 [10]3 years ago
6 0
(2n+12) + (3n+18) = 180
⇒5n+30=180
⇒5n=150
⇒n=30


x=2n+12
  =2(30)+12
  =72°
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<em>to check:</em>

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6 0
3 years ago
7(z+2)-3z=44 quiero que me ayuden a resolver este problema por favor
slega [8]
No hablo expanol

7(z+2)-3z=44
7z+14-3z=44
7z-3z+14=44
4z+14=44
-14        -14
4z+14-14=44-14
4z+0=30
4z=30
1/4  1/4
(4z)/4=30/4
(4/4)z=15/2
1z=15/2
z=15/2



z=15/2
5 0
3 years ago
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