Answer:
4
Step-by-step explanation:
Add both equations together. x+x+y−y=10+2 2x=12∣:2 x=6. Sub the result into any of the two equations for x 6+y=10∣−6 y=4 ... If x equals 6 , then y must equal 4. mmmmmm ―――――――. Check. Sub in the values in the place of the letters to verify that the equations are still correct. m x+y=10 m 6+4=10 ...
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