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प्रश्न
The addition of – 7b and 2b is ____________
उत्तर
The addition of – 7b and 2b is – 5b
APPEARS IN
संबंधित प्रश्न
Add the following:
ab − bc, bc − ca, ca − ab
Simplify combining like terms: - z2 + 13z2 − 5z + 7z3 − 15z
Add: ab - 4a, 4b - ab, 4a - 4b
What should be subtracted from 2a + 8b + 10 to get - 3a + 7b + 16?
Multiply: \[\left( \frac{x}{7} + \frac{x^2}{2} \right)by\left( \frac{2}{5} + \frac{9x}{4} \right)\]
Add:
2a + 6b + 8c; 16a + 13c + 18b
Add: 2a + b + 3c and `"a" + 1/3"b" + 2/5"c"`
Add:
xy2z2 + 3x2y2z – 4x2yz2, – 9x2y2z + 3xy2z2 + x2yz2
Add:
3a(2b + 5c), 3c(2a + 2b)
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 + `square` (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 + `square` (a – 2)] | Age (Human Years) |
| 2 | ||
| 3 | ||
| 4 | ||
| 5 | ||
| 6 |
