2.22 Question 16 - Math

Mathematics
Tutor: None Selected Time limit: 1 Day

Feb 22nd, 2015

x + 7y = 32

x = 32 - 7y

4(32 -7y) + 6y = 18

128 - 28y + 6y = 18

-22y = 110

y = 5

plug in x + 7(5) = 32

x = -3

solution ( -3 , 5) 

Please best answer. 

Feb 23rd, 2015

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