Use the substitution method to solve the system of equations. Then check your solution.

1.) b=-4a+5

a-b=5

2.) 6x-y=-15

x+2y=17

3.) x=10

y=2x-6

4.) n=-7m-4

14m+2n=-8

A group consists of five men and seven women. six people are selected to attend a conference. a. in how many ways can six people be selected from this group of twelve ? b. in how many ways can six women be selected from the seven women? c.

What is 12 1/2 - 6 5/8

If Leo is 6 years old and Max is 12 years older, in how many years will Max be three times as old as Leo?

What is the inverse of the function h (x) = 2x+1

What is 16500 rounded to the nearest ten thousand

Form a bi-conditional statement using p: an angle is reflex and q: an angle measures 180 < x < 360, using "if and only if"

Why is 296 divided by 6 equals 48 remainder 8

Which expression is equivalent to 1/2 (2n+6) ?

3 more than a number x

Of the 10 contestants in a televised quiz competition, 2 were eliminated during this week's show, and 2 more will be eliminated during next week's show.