equations: x+y=12,x+y=2,4x-2y=10,5x+y=14,17x+2y=43,18x+3y=42

daisyreyesr said:
x+y=12
x+y=2

4x-2y=10
5x+y=14

17x+2y=43
18x+3y=42

9x-5y =18
3x-14=6

4x_9y=12
9x-4y=27
Click to expand...
Are these five exercises, ten, or one? What are the instructions? What have you tried? How far have you gotten? Where are you stuck?

Please be complete. Thank you! :D

P.S. In future, please post your questions to an appropriate category. The above post, containing pre-calculus algebra, was moved here from the post-calculus "Differential Equations" forum. :shock:
 
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