I think you have to email them or something lol
Answer:
I don't think your supposed to find the value of x and y but I think you need to combine like terms.
2y plus 4x= z
2y plus 4x -4x= z-4x
2y\2= z-4x\2
y=z-4x\2
Answer: it's only 1
Step-by-step explanation:
Cuando multiplicas un número positivo y un número negativo, la respuesta siempre será negativa:
4(3) = 12
4(-3) = -12
<span>Para multiplicar fracciones, simplemente multiplique los numeradores y los denominadores en línea recta:
5/4 * 4/7 = 20/28 = 10/14 = 5/7
</span><span>Espero que esto ayude.</span>