Solving Simultaneous Equations

Solving Simultaneous Equations

Solving Simultaneous Equations

• We know to solve an equation we need to find the value of th unknowns e.g. x, y, a, b ...

• Simultaneous Equations sets of equations that have the same unknowns.

• For example 3x + y = 20 could have multiple solutions.

Open Ended

What are the most imaginative values of x and y that you can think of which makes 3x + y= 20

Simultaneous Equations

So we need more information to be able to solve 3x + y =20 and narrow down their true values

This is where simultaneous equations can help bu giving us more infomation. For example what if we also know x + y = 14

Simultaneous Equations

We now have two equations

3x + y = 20

x + y = 14

Can you work out the values of x and y now?