TheReginator TheReginator

08-07-2017
Mathematics

contestada

Solve the following system of equations.
9x - 5y = 11
5x + 4y = -21

Respuesta :

cutelion918 cutelion918

08-07-2017

9x-5y=11

Move all terms containing x to the left, all other terms to the right.
now add 5y to each side and now it should look like this:
9x + -5y + 5y = 11 + 5y

Now divide each side by 9 and the answer is....
Simplifying x = 1.222222222 + 0.5555555556y

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