Question

resolva as equaçoes:

a)x - 5 =8
b)3x +6 = 12
c)2 = 7y -5
d)5c+2=3 - 9

Answer 1

a) x = 8 + 5
x= 13
b)3x = 12 - 6
3x = 6
x = 2
c)7y = -5 -2
   7y = -7
   y = -1
d)5x = 3 - 9 -2
5x = -8
x = -8/5
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