Question

1) Resolva as equações

a) 20x - 4 = 5x

b) 4(x-3) = 2x - 5

c) x/2 + x/4 = 2

d) 17n + 2 = 10 + 5x

e) 4/y = 3

f) 3x = 12

g) 5x + 1/4 = 10x + 6/9

h) 5x - 10 = x + ½

i) 3(x+5)/6 + 2x/4 = 7

j) x/4 - x/3 = 2x - 50

Answer 1

A 4/15

B 7/2

C 8/3

D 8/17+5/17

E 4/3

F 4

G 1/2

H 21/8

I 9/2

J 162/7