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SYSTEM OF EQUATIONS The sum of three times Sophia's age and twice Nick's age is 73. Twice Sophia's age plus four times Nick's age is 86. How old is Sophia?
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Jun 6, 2022
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SYSTEM OF EQUATIONS
The sum of three times Sophia's age and twice Nick's age is 73. Twice Sophia's age plus four times Nick's age is 86. How old is Sophia?
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Paul Sturgess
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3s+2n=73
2s+4n=86
Multiply top equation by 2 and then subtract second equation
4s=60
Sophia is 15
Nick is 14
Hani
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Jun 12, 2022
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