gabevarg07 gabevarg07
  • 12-02-2015
  • Mathematics
Answered

Solve the system of equation algebraically
5x-2y=4
2x-y=1



Answer :

apologiabiology
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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