Explicación paso a paso:
27c + 27 = 81
27c = 81 - 27
c = 54/27
1701 + 126 = d
15e + 35e = 400
50e = 400
e = 400/5
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Verified answer
Explicación paso a paso:
27c + 27 = 81
27c = 81 - 27
c = 54/27
c = 2
1701 + 126 = d
d = 1827
15e + 35e = 400
50e = 400
e = 400/5
e = 80
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YT: CIENCIA Y TECNOLOGÍA