Question

resolver los puntos
A
B
C ​

Answer 1

a)

$\frac{2x}{3} - \frac{1}{5} = 6$

10x-3=90

10x=93

x=9,3

b) 9x-15= -9/7

9x=-9/7 + 15

9x= -96/7

x = -96/63 simplificamos

x= -32/21

c)

$\frac{15x - 20}{150} = \frac{ - 4}{5}$

simplificamos

15x-20= -120

15x= -100

x= -100/15 simplificando

x=-20/3