Respuesta :

Answer:

Step-by-step explanation: It is 20.  Multiply both [7/5]x + 4 and 3/2 - [5/4]x by 20 and then divide the resulting expression by 20:3(28x + 80) - 2(30 - 25x)------------------------------------                20Next, perform the indicated multiplication:  84x + 240 - 60 + 50x----------------------------------                  20This simplifies to:  34x + 180        17x + 9---------------- = ----------------        20                  10

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