AggieGray AggieGray

28-09-2016
Mathematics

Answered

Solve the system by substitution -4.5x-2y=-12.5

3.25x-y=-.75

Verified Answer :

portiamoako portiamoako

28-09-2016

-4.5x -2y=-12.5
3.25x -y =-75
Therefore this would be
3.25x -y=-75 dividing
-4.5x -2y=12.5
0.72x +2= 6
Therefore it would be 0.72x +2=6
Then you group like terms which is
0.72x=6-2
0.72x=4
Divide both sides by 0.72
x=0.18

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