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Question

Use a system of equations to solve the following problems. See the earlier examples.

Eliza's mother is 20 years older than Eliza, but 3 years younger than Eliza's father. Eliza's father is 7 years younger than three times Eliza's age. How old is Eliza?

Solution

VerifiedAnswered 2 years ago

Answered 2 years ago

Step 1

1 of 7## Let:

$\begin{aligned} \text{Eliza}&=x\\ \text{Eliza's Mother}&=y\\ \text{Eliza's Father}&=z \end{aligned}$

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