Solving Equations with the Distributive Property - Item 2454
Question
Karin wants to use the distributive property to mentally find the value of
19.42 + 19.58.
Which expression can she use?
CLEAR
CHECK
19.(42 +58)
19-(42 - 58)
(19 +19).(42 + 58)
19. 19-(42 +58)

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