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Today at 8:14 AM
Mathematics

Answered

Solve the system of equations by substitution. What is the solution for x?
2x + y = 1
4x + 2y = -2

Answer :

apologiabiology apologiabiology

Today at 8:19 AM

subsituteion
solve for y
2x+y=1
minus 2x
y=1-2x
sub 1-2x for y

actualy, divide 2nd equation by 2
2x+y=-1
sub 1-2x for y
2x+1-2x=-1
1=-1
false

no solution
paralell lines

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