Question

resolva: 3x/5+ x/3 -2= x-3

Answer 1

3x/5+ x/3 -2= x-3

mmc(5,3)=5.3=15

3x/5+ x/3 -2= x-3

3.(3x)/15+5.x/15-2.15/15=15.(x-3)/15

3.(3x)+5.x-2.15= 15.(x-3)

9x+5x-30=15x-45

14x-30=15x-45

14x-15x=-45+30

-x= -15

x=-15/-x

x=15

vamos verificar :

3x/5+ x/3 -2= x-3

3.(15)/5+15/3-2=15-3

9+5-2=12

14-2=12

12=12

ok!

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espero ter ajudado!

bom dia !

Answer 2

Resposta:

Muito bem. Tem-se que:

$\frac{3x}{5} + \frac{x}{3} - 2 = x - 3 \\ \frac{9x + 5x - 30 = 15x - 45}{15} \\ (- x = - 15) ^{ - 1} \\ x = 15$

NIce JOb XD