Question

Question no. 3 no. 1​

Answer 1

Step-by-step explanation:

=-1/3+(7/6-7/12)

=-1/3+(14/12-7/12)___(multiply by 2)

= -1/3+(14-7/12)

=-1/3+7/12

= -4/12+7/12_____( multiply by 4)

= -4+7/12

= -3/12

=-1/4