From the equations below, select all correct answer choices that have a solution of (-1,5). B
−3x+3y=−18

C
3x−3y=−18

D
x+y=6

E
−x+y=6
A
−3x+3y=18

If 3x+8=3x+8 is it one solution or no solution

Express the following as a function of a single angle. cos(60) cos(-20) - sin(60) sin(-20)

Given the system of equations presented here: 2x + 4y = 14 4x + y = 20 which of the following actions creates an equivalent system such that, when combined with the other equation, one of the variables is eliminated? multiply the second equation by â’4 to get â’16x â’ 4y = â’80 multiply the second equation by â’1 to get â’4x â’ y = â’20 multiply the first equation by 2 to get 4x + 8y = 28 multiply the first equation by â’1 to get â’2x â’ 4y = â’14