Respuesta:
Explicación paso a paso:
c.) 2x + 20 +60 = 180
2x + 80 = 180
2x = 100
x = 50
d.) 4x + 60 + 80 = 180
4x + 140 = 180
4x = 40
x = 10
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Verified answer
Respuesta:
Explicación paso a paso:
c.) 2x + 20 +60 = 180
2x + 80 = 180
2x = 100
x = 50
d.) 4x + 60 + 80 = 180
4x + 140 = 180
4x = 40
x = 10