Respuesta :

annabellalind

Answer:

the first one is 14xy+3x-y

the second one nothing can be done so that would be ur answer

the third one nothing can be done so that would be ur answer

the fourth one and the fifth one nothing can be done so that would be ur answer

Answer:

3x-7y-\left(-2x\right)-y\cdot \:5x+8y\cdot \:5x-8yx-8yx-8y=19xy+5x-15y

Step-by-step explanation: