Resposta:
20 (4 - 3x) = 2
80 - 60x = 2
-60x = -80 + 2
-60x = -78
60x = 78
x = 78/60
13/10
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Resposta:
20 (4 - 3x) = 2
80 - 60x = 2
-60x = -80 + 2
-60x = -78
60x = 78
x = 78/60
13/10