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

👉 Learn how to solve two-step linear equations. A linear equation is an equation whose highest exponent on its variable(s) ...

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 ...

Math is one of the hardest subjects in school, which is why owning a graphing calculator seems like a necessity for students. But what if you could use your smartphone to solve equations by pointing ...