Question

CHALLENGERS
ii) 8n-(-4n)
iv) (-91) – (5t)
in 8y-(3)
vi) (-10m)-(-5m)
a.
3
ii) - Za from 7a iii) - 6xy from - 2xy iv)-2 pq from 10pq
-3
5
2
a from a
vi) 4abc from - 6 abc vii) 5 + 3x from 3 + 5x viii)
a from
6
6
- 5y from 6x + 8y.
In the following problems subtract the second expression from the first.
12a + 3b, a + b
ii) 3x + 4y, x - 2y iii) -3x + y 4x² + 7y? iv) a+b2-c, -a? + b-c?
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Answer 1

Answer:

(II) 8n-(-4n)

8n+4n

12n

Answer 2

Answer:

4n is the answer

Step-by-step explanation:

1. 8n-(4n) =8-4n =4n