Respuesta :

Answer:

15

Step-by-step explanation:

Step 1:

3 ( 2x + 5 ) = 3x + 4x     Equation

Step 2:

6x + 15 = 7x     Combine Like Terms/Multiply

Step 3:

15 = 7x - 6x        Subtract 6x on both sides

Answer:

15 = x

Hope This Helps :)