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प्रश्न
Find the value of x for which the sum of the expression 15(x + 1), 10(x + 2) and 6(x + 3) is 270.
बेरीज
उत्तर
Given: 15(x + 1) + 10(x + 2) +6(x + 3) = 270.
⇒ Collecting like terms, we get:
(15x + 10x + 6x) + (15 + 20 + 18) - (270) = 0
⇒ 31x = 217
⇒ x = 7.
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Linear Equation in Two Variables
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