Question

Me ajudem a resolver essas equações ...

Answer 1

1/2 - x = 6 (1/3 - x)

( 1 -2x)/2 = 6/3 - 6x

( 1 -2x)/2 = ( 6-18x )/3

3( 1 -2x) = 2( 6-18x )

3 - 6x = 12 - 36x

30x = 9

x = 9 / 30 ⇒ x = 3/10