GCSE Secondary Maths Age 13-17 - Algebra: Simultaneous Equations - Explained

What is the first step in solving the given simultaneous equations?

• Subtract the second equation from the first

• Add the two equations directly

• Multiply the second equation by 3

• Multiply the first equation by 3

After multiplying the first equation by 3, what should be done next?

• Subtract the equations

• Add the equations

• Divide the first equation by 3

• Multiply the second equation by 2

What is the value of X after solving the equations?

• 5

• 8

• 6

• 7

How do you find the value of Y after determining X?

• Subtract X from the second equation

• Substitute X into the second equation

• Add X to the first equation

• Substitute X into the first equation

What is the final value of Y in the solution?

• -3

• -2

• -1

• -4