मराठी

Simplify this expression and find its value if x = 3, a = −1, b = −2. 2a - 2b - 4 - 5 + a

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प्रश्न

Simplify this expression and find its value if x = 3, a = −1, b = −2.

2a - 2b - 4 - 5 + a

बेरीज
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उत्तर

2a - 2b - 4 - 5 + a on putting a = -1, b = -2 in the given equation

= 2a + a - 2b - 4 - 5

= 3a - 2b - 9

= 3 × (-1) - 2 (-2) - 9

= -3 + 4 - 9

= -8

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पाठ 10: Algebraic Expressions - EXERCISE 10.2 [पृष्ठ १६९]

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एनसीईआरटी Mathematics [English] Class 7
पाठ 10 Algebraic Expressions
EXERCISE 10.2 | Q 7. (v) | पृष्ठ १६९

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