gabevarg07 gabevarg07

12-02-2015
Mathematics

Answered

Solve the system of equation algebraically

5x-2y=4

2x-y=1

Verified Answer :

apologiabiology apologiabiology

12-02-2015

multiply second equation by -2
2x-y=1
mmultiply -2
-4x+2y=-2
add to first equation
5x-4x+2x-2x=4-2
x=2
subsitute
2(2)-y=1
4-y=1
subtrac 4
-y=-3
y=3

x=2
y=3

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