You can put this solution on YOUR website! 22 + 66 = 88
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But how do you get that?
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The sum of two numbers is 88
x+y = 88
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The first is 3 times the second
x = 3*y
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Subsitute
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3y + y = 88
4y = 88
y = 22
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x + y = 88
x = 88-y
x = 88-22
x = 66
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Done.