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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asked Jun 6, 2022 223k views

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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?

Mathematics
college

Paul Sturgess asked

by 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 answered Jun 12, 2022

by Hani

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