In this worksheet, we will learn how to simplify expressions.
To simplify an expression we have to collect together the terms that are alike, that is all the x's, all the y's and all the terms that are just numbers.
Sometimes it is necessary to multiply out brackets.
Remember we are just simplifying expressions. It is impossible to solve expressions as there are no equals signs and these are not equations.
Simplify 2x + 5 - 4x - 1 + x
2x - 4x + x + 5 - 1
= -x + 4 or 4 - x
Simplify 3(x - 4) - 2(x - 1)
First, we multiply out the brackets to get
3x - 12 - 2x + 2
Then we collect like terms.
3x - 2x - 12 + 2
x - 10
If you need a little reminder about how to collect like terms or how to multiply out single brackets, have a look at the activities called 'Simplify Like Terms' and 'Multiply Out Single Brackets'
Start the questions when you're ready!