Look at the following... Do they look familiar?

(Let's borrow the knowledge and skills we learnt in Chap 2 to apply here...)

(1)

(2) 2

(3) - 6

(4) -3

(5) -9

(Let's borrow the knowledge and skills we learnt in Chap 2 to apply here...)

**(I) Addition and Subtraction of terms**(1)

*x*+ 2*x*+ 4*x*= 7*x*(2) 2

*x*- 7*x*= -5*x*(3) - 6

*x*- 8*x*= -14*x*(4) -3

*x*+ (-9*x*) = -12*x*(5) -9

*x*+ 2*x*= -7*x***(II) Multiplication of terms**