bre70 bre70
  • 18-02-2016
  • Mathematics
contestada

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

Respuesta :

crisforp
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 .
Answer Link

Otras preguntas

the square root of 49 equals
Why is it important that the space in the chest get bigger
What is the acceleration of a 0.30 kilogram ball that is hit with a force of 25 N?
locate and label the following fraction on the number line 1/2 4/2 5/20             1                 2               3
what events in the 1850s caused the country to pull apart
locate and label the following fraction on the number line 1/2 4/2 5/20             1                 2               3
In the English civil war why was the Roundheads and cavaliers named those names ?
What is 2 radical 15 squared
what three factors affect the formation of magma
Gallon of cleaner are on sale for 50% off the regular price of $3.18. a customer buys one gallon and the cashier $5.00 The customer change is