SOLUTION: solve by the substitution method. 9x - 4y = -44 7x + 49 = y The solution is ___? (type an ordered pair) Thank you very much :)

Question 220926: solve by the substitution method.
9x - 4y = -44
7x + 49 = y
The solution is ___? (type an ordered pair)

Thank you very much :)
Answer by drj(1380) (Show Source): You can put this solution on YOUR website!
solve by the substitution method.
9x - 4y = -44
7x + 49 = y

Solved by pluggable solver: SOLVE linear system by SUBSTITUTION

Solve:
We'll use substitution. After moving -4*y to the right, we get:
, or . Substitute that
into another equation:
and simplify: So, we know that y=-7. Since , x=-8.

Answer: .

SOLUTION: The ordered pair is (-8,-7)

I hope the above steps were helpful.

For FREE Step-By-Step videos in Introduction to Algebra, please visit http://www.FreedomUniversity.TV/courses/IntroAlgebra and for Trigonometry visit http://www.FreedomUniversity.TV/courses/Trigonometry.

Good luck in your studies!

Respectfully,
Dr J
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