solve the systems of equation

User Generated

Natqnivf

Mathematics

Question Description

solve the systems of equation 

7x+2y=18

-4x-3y=-1

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Explanation & Answer

7x+2y=18 times 3/2 is (21/2)x+3y=27

thus (21/2)x-4x+3y-3y=27-1

(13/2)x=26

x=26*2/13=4

thus x=4, y=10/7


Sngva Zraunm (1755)
New York University

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