## Simultaneous equations

Solve: 6x + y = 18 4x +y = 14 We can easily solve this by using eliminating method: Thus, by subtracting the two equations we can eliminate b. 6x + y = 18 4x + y = 14 6x – 4x, y-y, and 18-14 2x = 4 x = 2 Considered;

## Surds

Surd A surd is a number that cannot be simplified to remove a square root or cube root. If a whole number is not a perfect squuare we can refer to it’s square root as a surd. For example • √2 (square root of 2) can’t be simplified further so it is a surd •Continue reading “Surds”

## Evaluate (x + m ) + (x – 2 ) when x = 4, m = 3

Evaluate (x + m ) + (x – 2 ) when x = 4, m = 3

## How do you solve 3y + 8 = y + 20 ?

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