Question

resolva as equaçoes:
a) 2a - 12 = 3a +6
b) 5b +6 = 34 -2b
c) 8 +2.(x - 5) = 3.(2x + 8)
d) -4y + 6 = 19 + 6y -​

Answer 1

a)
2a - 12 = 3a + 6
-a = 18
a = -18


b)
5b + 6 = 34 - 2b
7b = 28
b = 4


c)
8 + 2x - 10 = 6x + 24
-4x = 26
x = -6,5


d)
-4y + 6 = 19 + 6y
-10y = 13
y = -1,3