18-02-2016
Mathematics

contestada

what is 0.5-0.2x=0.3(x+3) ?

Respuesta :

crisforp crisforp

18-02-2016

0.3(x + 3 ) = 0.3x + 0.9 ;
We solve the equation 0.5 - 0.2x = 0.3x + 0.9 / - 0.3x;
0.5 -0.2x = 0.9 / -0.5;
-0.2x = 0.4 / × 10 ;
-2x = 4 / ÷ ( - 2 );
x = -2 ;
The solution of the equation is -2 .

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