Advertisements
Advertisements
Question
Add:
9ax + 3by – cz, –5by + ax + 3cz
Advertisements
Solution
We have,
(9ax + 3by – cz) + (–5by + ax + 3cz)
= 9ax + 3by – cz – 5by + ax + 3cz
= (9ax + ax) + (3by – 5by) + (–cz + 3cz) ...[Grouping like terms]
= 10ax + (–2by) + (2cz)
= 10ax – 2by + 2cz
APPEARS IN
RELATED QUESTIONS
Subtract: 4a − 7ab + 3b + 12 from 12a − 9ab + 5b − 3
Simplify combining like terms: 21b − 32 + 7b − 20b
Subtract:
2a2 from − 7a2
Subtract the sum of 3l − 4m − 7n2 and 2l + 3m − 4n2 from the sum of 9l + 2m − 3n2 and − 3l + m + 4n2 .....
The additive inverse of −37xyz is ___________
Add: 7mn, 5mn
a(b + c) = a × ____ + a × _____.
Add the following expressions:
uv – vw, vw – wu and wu – uv
Translate the following algebraic expression:
8(m + 5)
At age of 2 years, a cat or a dog is considered 24 “human” years old. Each year, after age 2 is equivalent to 4 “human” years. Fill in the expression [24 + 
(a – 2)] so that it represents the age of a cat or dog in human years. Also, you need to determine for what ‘a’ stands for. Copy the chart and use your expression to complete it.
| Age | [24 +  (a – 2)] |
Age (Human Years) |
| 2 | ||
| 3 | ||
| 4 | ||
| 5 | ||
| 6 |
