You can put this solution on YOUR website! 1/4x+1/3y=11
1/3x+1/4y=10
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x/4 + y/3 = 11
x/3 + y/4 = 10
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Multiply by 12 to eliminate fractions
3x + 4y = 132
4x + 3y = 120
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9x + 12y = 396
16x+ 12y = 480
--------------- Subtract
-7x = - 84
x = 12
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y = 16
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The other tutor treated it as 2 problems. You didn't say it was a system, or what you wanted to do.