3x+4y=-2
2x-4y=-8
what is the answer

(-2 , -1)

Step-by-step explanation:

If you have any questions about the way I solved it, don't hesitate to ask

50*10 is greater

step-by-step explanation:

if you add the zero from 10 to 50, it will give you a bigger number.

the mistake in the pattern is that :

b. the decimal point was moved one too many place values each time

the correct pattern could be made by :

b. moving the decimal point to the right the same numbers of place values as the exponents