Question

(UECE) A  soma das soluções  da equação:
(18/6)= (18/4x-1) é:

a)8    d)7
b)5
c)6

Answer 1

$(^1^8_6) = (^1^8_4_x_-_1)\\\\\\ 6+4x-1 = 18\\\\\ 4x = 13\\\\ x = \frac{13}{4}\\\\\ 6 = 4x-1\\\\ x = \frac{7}{4}\\\\\ \frac{13}{4}+\frac{7}{4} = \frac{20}{4} = \boxed{5}$

Answer 2

Resposta:

Temos que

(

18

6

) = (

18

4 − 1

) → {

4 − 1 = 6

4 − 1 = 12

→ {

=

7

4

′ =

13

4

→ +

′ =

7

4

+

13

4

= 5

Gabarito: b