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प्रश्न
Find the total savings of a boy who saves ₹ (4x – 6y), ₹ (6x + 2y), ₹ (4y – x) and ₹ (y – 2x) for four consecutive weeks.
बेरीज
उत्तर
4x − 6y
6x + 2y
–x + 4y
–2x + y
7x + y
∴ Total saving = ₹(7x + y)
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Combining like Terms
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संबंधित प्रश्न
Evaluate :
7x − 9y + 3 − 3x − 5y + 8
Add : 8x − 3y + 7z, −4x + 5y − 4z, −x − y − 2z
Subtract : 4xy2 from 3xy2
Subtract : −2x2y + 3xy2 from 8x2y
Subtract : 6a + 3 from a3 − 3a2 + 4a + 1
Subtract : a2 + ab + b2 from 4a2 − 3ab + 2b2
Take away – 3x3 + 4x2 – 5x+ 6 from 3x3 – 4x2 + 5x – 6
Take m2 + m + 4 from −m2 + 3m + 6 and the result from m2 + m + 1.
How much less 2a2 + 1 is than 3a2 – 6 ?
The two adjacent sides of a rectangle are 2x2 – 5xy + 3z2 and 4xy – x2 – z2. Find its perimeter.
