Question

Resolva as equações a seguir:
a)4y/5=2y-18

b)5z-6/2=z+14/2

c)m-4/3=20/3

Answer 1

a) 4y/5= 2y - 18
(4y=2y-18)/2
4y-2y= -18
2y=-18
Y= -9

b) 5z -6/2= z + 14/2
(10z-6=2z+14)/2
10z -2z= 14+ 6
8z = 20
Z= 20/8
z= 2,5

c) m-4/3=20/3
(3m-4=20)/3
3m=20+4
M= 24/3
M= 8
Espero ter ajudado