Advertisements
Advertisements
Question
Add: 3mn, − 5mn, 8mn, −4mn
Advertisements
Solution
3mn + (−5mn) + 8mn + (−4mn) = mn (3 − 5 + 8 − 4)
= 2mn
RELATED QUESTIONS
Simplify combining like terms: (3y2 + 5y - 4) - (8y - y2 - 4)
Add: ab - 4a, 4b - ab, 4a - 4b
Subtract: -m2 + 5mn from 4m2 - 3mn + 8
Add the following algebraic expression:
\[\frac{2}{3}a, \frac{3}{5}a, - \frac{6}{5}a\]
Subtract:
\[\frac{2}{3} y^3 - \frac{2}{7} y^2 - 5 \text { from }\frac{1}{3} y^3 + \frac{5}{7} y^2 + y - 2\]
Add:
−3y2 + 10y − 16; 7y2 + 8
Add:
7a2bc, –3abc2, 3a2bc, 2abc2
Add:
3a(a – b + c), 2b(a – b + c)
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 |
