Question

1. (8.2k - 6) - (4.5 – 9k)

2. (-3 + 2g) - (4 + 5g)


​

Answer 1

a.
`= 17.2k - 1.5`

b.
`=-7 + 203g`

Explanation:

Required

Simplify

`1.\ (8.2k - 6) - (4.5 - 9k)`

Open bracket

`= 8.2k - 6 - 4.5 + 9k`

Collect Like Terms

`= 8.2k + 9k - 6 - 4.5`

`= 17.2k - 1.5`

`2.\ (-3 + 2g) - (4 + 5g)`

Open bracket

`= -3 + 2g - 4 - 5g`

Collect Like Terms

`=-3-4+2g - 5g`

`=-7 + 203g`