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For the first question x is equal to 4. You get this by adding 7x+2 and 3x and equal it to 42. And then solve algebraically so 10x+2=42 10x=40 so x equals 4 For the second question x is equal to 6.666 and y is equal to 9 You get this by getting x is to 10 as 4 is to 6 and you get y by 6 is to y as 4 is to 6 Hope this helps
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