SOLUTION: Solve each system by substitution I have the first number x = 2 but can not for the life of me get what y equals. {{{x

SOLUTION: Solve each system by substitution I have the first number x = 2 but can not for the life of me get what y equals. {{{x - y = 19}}} {{{2x + y = -13}}}

Question 124550: Solve each system by substitution I have the first number x = 2 but can not for the life of me get what y equals.

Answer by iluvbuilding429(41) (Show Source): You can put this solution on YOUR website!

Solved by pluggable solver: SOLVE linear system by SUBSTITUTION

Solve:
We'll use substitution. After moving -1*y to the right, we get:
, or . Substitute that
into another equation:
and simplify: So, we know that y=-17. Since , x=2.

Answer: .

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