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प्रश्न
Solve the following equation.
10 = 2y + 5
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उत्तर
10 = 2y + 5
⇒ 2y + 5 = 10
⇒ 2y = 10 − 5
⇒ 2y = 5
⇒ y = `5/2`
संबंधित प्रश्न
Add: ab - 4a, 4b - ab, 4a - 4b
Subtract:
\[\frac{2}{3} y^3 - \frac{2}{7} y^2 - 5 \text { from }\frac{1}{3} y^3 + \frac{5}{7} y^2 + y - 2\]
Find the sum of the following expressions
mn + t, 2mn – 2t, – 3t + 3mn
Add:
7a2bc, –3abc2, 3a2bc, 2abc2
Add:
3a(2b + 5c), 3c(2a + 2b)
Add the following expressions:
p2 – q + r, q2 – r + p and r2 – p + q
Add the following expressions:
t – t2 – t3 – 14; 15t3 + 13 + 9t – 8t2; 12t2 – 19 – 24t and 4t – 9t2 + 19t3
What should be added to 3pq + 5p2q2 + p3 to get p3 + 2p2q2 + 4pq?
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 |
