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प्रश्न
Solve the following simultaneous equation.
3a + 5b = 26; a + 5b = 22
बेरीज
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उत्तर
3a + 5b = 26 ...(1)
a + 5b = 22 ...(2)
3a + 5b = 26 ...(1)
a + 5b = 22 ...(2)
− − −
2a = 4
∴ a = `4/2`
∴ a = 2
Put in equation ...(1)
3a + 5b = 26
3(2) + 5b = 26
6 + 5b = 26
5b = 26 − 6
5b = 20
∴ b = `20/5`
∴ b = 4
Thus, a = 2, b = 4
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