Question

determine o valor de x

e) x-1/4 - 3= 0
f) 5 . ( 2x + 4 )= 30
g) 5 . 2x + 4 = 30

Answer 1

e) x-1/4-3=0
x-1 -3=0
-
4
x+ -1-12 =0
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4

x+ -13. =0
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4

x- 13 =0
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4

x= 13
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4