2x+5y=26 5x+3y=27
2x + 5y = 26 5x + 3y = 27 (2x + 5y = 26) * 5 10x + 25y = 130 (5x + 3y = 27) * 2 10x + 6y = 54 (10x + 6y = 54) - (10x + 25y = 130) -19y = -76 y = -76/-19 y = 4 2x + 5(4) = 26 2x + 20 = 26 2x = 26 - 20 2x = 6 x = 6/2 x = 3 Solution set: (3, 4)
Question
Updated 8/28/2016 4:51:05 PM
Rating
3
2x + 5y = 26
5x + 3y = 27

(2x + 5y = 26) * 5
10x + 25y = 130
(5x + 3y = 27) * 2
10x + 6y = 54

(10x + 6y = 54) - (10x + 25y = 130)
-19y = -76
y = -76/-19
y = 4

2x + 5(4) = 26
2x + 20 = 26
2x = 26 - 20
2x = 6
x = 6/2
x = 3

Solution set: (3, 4)

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