Question

*Two equations in two variables taken together are called ……………………*

1️⃣ linear equations
2️⃣ quadratic equations
3️⃣ simultaneous equations
4️⃣ none of these​

Answer 1

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3. Simultaneous equations

Answer 2

Answer:

Temporary changes are changes that are reversible, that is they can be reverted. Example include: Water changes into ice. Water and oil are mixed.

Step-by-step explanation:

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