Question

Resolva as equações: ( obs. nas letras o, p, q , r, onde tem a barra , significa divisão) a)3x + 5 = 8 b)10x -19 = 21 c)2x – 7 = -10 d)0,5x + 2,6 = 5,1 e)5x – 27 = - 4x f)9x + 5 = 4x g)60 + 13x = 3x h)4x – 12 = x i)5x + 21 = 10x – 19 j)11x + 17 = 10x + 13 k)3 + 1,6x = 0,1x l)5 ( x – 1 ) = 2 ( x + 2 ) m)5 ( x – 2 ) = 3 ( x+ 4 ) + 6 n)x + 13 = 2x + 17 o)(x+4)/6=1 = p)x/13 = -2 q)8x-5/2=9 r)x-5/7=1 s)-7=x+50 t)7=10+x

Answer 1

a) x = 1

b) x = -0.2

c) x =

$- \frac{3}{2}$

d) x = 5

e) x = 3

f) x = -1

g) x = -6

h) x = 4

i) x = 8

j) x = -4

k) x = -2

l) x = 3

m) x = 4

n) x = -4

o) x = 2

p) x = -26

q) x = 1,4375

r) x =

$\frac{12}{7}$

s) x = -57

t) t x = -3