I need help with my math homework: Solve using 2 differnt methods. Explain wich method you found to be more efficient.
Stacey Warren - Expert brainly.com
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1. try adding them (this will eliminate the y term)
2. try solving for either x or y and plugging it back into the original equation
I would cancel out the y term for the first one and solve for x. (You will need to add them to cancel out the y term.)
When you add them you end up with: 12x=36. Now just solve for x.
You can then take the x value that you came up with and input it in the original equation and solve for y.
Make sure to do a check by imputing the x and y values you found into both of the original equations and making sure the answer is equal to the answers of the originals.