Description: 👉Learn how to solve a system (of equations) by elimination. A system of equations is a set of equations which ...

Solve the equation \(\frac{3s + 9}{4} = 7\). This means \(3s + 9\) has all been divided by 4. To solve the equation, inverse the operations. The opposite of dividing by 4 is multiplying by 4. Any ...

Mathematics is a fundamental part of anyone's elementary and high school education. Students are taught from an early age how to add, subtract, multiply and divide numbers to solve equations. But for ...