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प्रश्न
Write two different algebraic expressions for the word phrase “`(1/4)` of the sum of x and 7.”
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उत्तर
First expression = `1/4(x + 7)`
As we know, the addition is commutative
So, it can also be written as = `1/4(7 + x)`.
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संबंधित प्रश्न
Add the following:
a − b + ab, b − c + bc, c − a + ac
Simplify combining like terms: p − (p − q) − q − (q − p)
Add: -7mn + 5, 12mn + 2, 9mn - 8, -2mn - 3
Add: a + b - 3, b - a + 3, a - b + 3
Add: 5m - 7n, 3n - 4m + 2, 2m - 3mn - 5
Add:
2a + 6b + 8c; 16a + 13c + 18b
Add:
xy2z2 + 3x2y2z – 4x2yz2, – 9x2y2z + 3xy2z2 + x2yz2
Add:
3a(a – b + c), 2b(a – b + c)
The number of scarfs of length half metre that can be made from y metres of cloth is ______.
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 |
