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juliussifuentes
juliussifuentes juliussifuentes
  • 11-03-2015
  • Mathematics
Answered

What is 2x-3y=-1

y=x-1

Solving systems of equations by Substitution

Verified Answer :

Anonymous Anonymous
  • 11-03-2015

2x - 3y = -1
y =x -1

2x - 3y = -1
2x - 3(x-1)=-1
2x-3x + 3 = -1
-x + 3 = -1
-x = -3 -1
-x = -4
x= 4

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