Question

Como resolver ecstasy equacoes :
a) 9(3x-1)-5=6x
b) 2(x-3)=-5(x+4)
c) x-2(3-2x)
d)8y=2(3y-1)-16

Answer 1

a) 27x-9-5=6x
27x-6x=14
21x=14
x=14/21 :(7)
x=2/3 ou x=0.66

b)2x-6=-5x-20
2x+5x=6-20
7x=-14
x=-14/7
x=-2

c) x-6+4x=0
5x=6
x=6/5 ou x=1,2

8y=6y-2-16
8y-6y=-18
2y=-18
y=-18/2
y=-9