Jawab:
a)
a = 11
b = 45
b)
c = 23
d = 69
e = 111
Penjelasan dengan langkah-langkah:
A) 7a + 103 = 180
7a = 77
2b + 13 + 7a = 180
2b + 13 + 77 = 180
2b = 90
b) 3c + 49 + 62 = 180
3c = 69
d + 62 + 49 = 180
e = 180 - d
e = 180 - 69
Semoga membantu :)
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Jawab:
a)
a = 11
b = 45
b)
c = 23
d = 69
e = 111
Penjelasan dengan langkah-langkah:
A) 7a + 103 = 180
7a = 77
a = 11
2b + 13 + 7a = 180
2b + 13 + 77 = 180
2b = 90
b = 45
b) 3c + 49 + 62 = 180
3c = 69
c = 23
d + 62 + 49 = 180
d = 69
e = 180 - d
e = 180 - 69
e = 111
Semoga membantu :)