Resolva as equações sendo U=Q. a) X + 289 = 987
b) X - 785 = 1.976
c) 12X + 385 = 946
d) 18X - 583 = 649
e) 2 ( 3X + 7) = 247
f) 3 ( 2X - 6) = 742
b) X - 785 = 1.976
c) 12X + 385 = 946
d) 18X - 583 = 649
e) 2 ( 3X + 7) = 247
f) 3 ( 2X - 6) = 742
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