SOLUTION: Solve the system by addition or substitution. –6x + 3y = 12 y = 2x + 3

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Question 82556: Solve the system by addition or substitution.
–6x + 3y = 12
y = 2x + 3

Answer by jim_thompson5910(35256)   (Show Source): You can put this solution on YOUR website!
Since we have we can substitute this value of y into y of the first equation

Plug in 2x+3 into y

Distribute

Combine like terms

Since this is never true for any x, we have no solutions which means this system is inconsistent

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