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 10 months ago
Solve the system of equations.
3x – 4y = 25
3x + 2y = 1
A.
(1, –1)
B.
(3, –4)
C.
(–3, –9)
D.
(7, –1)
 10 months ago
Solve the system of equations. 3x – 4y = 25 3x + 2y = 1 A. (1, –1) B. (3, –4) C. (–3, –9) D. (7, –1)

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SolomonZelman
 10 months ago
Best ResponseYou've already chosen the best response.0subtract the second equation FROM the first

D33
 10 months ago
Best ResponseYou've already chosen the best response.0I came up with 1x + 2y = 24

SolomonZelman
 10 months ago
Best ResponseYou've already chosen the best response.0Subtract each thing (x, y, and constants  (numbers that aren't variables like 1,2,3....) ) separately. 3x – 4y = 25  3x + 2y = 1  3x  3x 4y  2y = 25  1 0x 6y = 24 SO FAR SO GOOD?

D33
 10 months ago
Best ResponseYou've already chosen the best response.0so now I solve it from here? 0x + 6y = 24

SolomonZelman
 10 months ago
Best ResponseYou've already chosen the best response.0yes. and 0x + 6y = 24 is just same as 6y = 24 1) Solve for y. 2) plug in the result for y into any of the ORIGINAL equations 3) Solve for x 4) write the answer as (x,y) where x is the xvalue you get AND y, is the yvalue you get.
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