Respuesta :

Subtract 100 from both sides

50x = 150 + 30x - 100

Simplify 150 + 30x - 100 to 30x + 50

Subtract 30x from both sides

50x - 30x = 50

Simplify 50x - 30x to 20x

20x = 50

Divide both sides by 20

x = 50/20

Simplify 50/20 to 5/2

x = 5/2

In decimal: 2.5

Answer:

5/2

Step-by-step explanation: