06-03-2017
Mathematics

Answered

2x - 7y = 13

3x + y = 8

Verified Answer :

wolf1728 wolf1728

06-03-2017

A) 2x - 7y = 13

B3x + y = 8

Multiplying equation B by 7
B) 21x + 7y = 56 then adding it to A
A) 2x - 7y = 13
23x = 69
x = 3
y = -1

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