Question

Observe os exemplos e resolva as equações.
a) x+9 =18
b)x -1 = 8
c) 3x -8= 13
d) 12 x -10 = 5x +11
e)7x5 = 68 -2x
f) 14-3x = 2x +29
g)8x -9 = 2x +11
h)10- 4x= 9- 2x
i)2• (7x +2) +12• (x+1) =2

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Answer 1

Resposta:

a)x=9

b)x=9

c)x=7

d)x=3

e)x=7

f)x=43/-5

g)x= 10/3

h)x=19/-2

i)-7/13