Resolva as equações . a) 7(y - 1) = 2(3y + 1)
b) y + 4(y -1) = 9 -2 (y +3)
c) 4(y -2) +3(2y -1) = 6(2y -3)
d) 2- a + a - 5 = 1
10 8 2
e) 3y - y - 5 = 1+ 2y -4
2 3 4
b) y + 4(y -1) = 9 -2 (y +3)
c) 4(y -2) +3(2y -1) = 6(2y -3)
d) 2- a + a - 5 = 1
10 8 2
e) 3y - y - 5 = 1+ 2y -4
2 3 4
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