The equations were multiplied by constants and added together to determine that the value of x in the system of equations is –20.
1/5x - 1/3y = -1
-3/4x + 1/3y= 12
a- –15
b- -9
c- 9
d- 15

Name the most appropriate metric unit for each measurement

Suppose sat writing scores are normally distributed with a mean of 497 and a standard deviation of 109. a university plans to award scholarships to students whose scores are in the top 2%. what is the minimum score required for the scholarship? round your answer to the nearest whole number, if necessary.

What is the answer to this question? i'm a bit stumped. also how do i do it? 5(x - 4) = 2(x + 5)